Low on gas: Ukraine invasion chokes supply of neon needed for chipmaking...

J

Jan Panteltje

Guest
Low on gas: Ukraine invasion chokes supply of neon needed for chipmaking

https://arstechnica.com/gadgets/2022/03/low-on-gas-ukraine-invasion-chokes-supply-of-neon-needed-for-chipmaking/

More chip supply trubles to come?
 
On Saturday, March 5, 2022 at 4:45:34 PM UTC+11, Jan Panteltje wrote:
Low on gas: Ukraine invasion chokes supply of neon needed for chipmaking

https://arstechnica.com/gadgets/2022/03/low-on-gas-ukraine-invasion-chokes-supply-of-neon-needed-for-chipmaking/

More chip supply troubles to come?

https://en.wikipedia.org/wiki/Neon

Any air-liquification plant can supply it, and that does seem to be the only source. Our atmosphere contains 18.2 ppm of neon by volume, so you have to process a lot of air to get much neon.

Quite why Russia and the Ukraine supply 90% of the market isn\'t obvious - there are air liquification plants all over the wourld supplying liquid nitrogen to everybody.

Presumably you\'d have to tack on a bit more gear to take out the neon as a separate gas, but it wouldn\'t be difficult or demanding. I imagine that at some point the USSR made a hash of predicting how much neon they\'d need, and installed more neon-extracting capacity than they actually needed, and have been undercutting everybody else ever since.

--
Bill Sloman, Sydney
 
Anthony William Sloman <bill.sloman@ieee.org> wrote:

On Saturday, March 5, 2022 at 4:45:34 PM UTC+11, Jan Panteltje wrote:
Low on gas: Ukraine invasion chokes supply of neon needed for chipmaking

https://arstechnica.com/gadgets/2022/03/low-on-gas-ukraine-invasion-chok
es-supply-of-neon-needed-for-chipmaking/

More chip supply troubles to come?

https://en.wikipedia.org/wiki/Neon

Any air-liquification plant can supply it, and that does seem to be the
only source. Our atmosphere contains 18.2 ppm of neon by volume, so you
have to process a lot of air to get much neon.

Quite why Russia and the Ukraine supply 90% of the market isn\'t obvious -
there are air liquification plants all over the wourld supplying liquid
nitrogen to everybody.

Presumably you\'d have to tack on a bit more gear to take out the neon as
a separate gas, but it wouldn\'t be difficult or demanding. I imagine that
at some point the USSR made a hash of predicting how much neon they\'d
need, and installed more neon-extracting capacity than they actually
needed, and have been undercutting everybody else ever since.

Philips used to make some very neat air-liquefying plant based on a
Stirling-cycle machine and a fractionating column. Various editions of
the Philips Technical Review explain it in great detail.

Jan, do you happen to know if they still make it?

--
~ Liz Tuddenham ~
(Remove the \".invalid\"s and add \".co.uk\" to reply)
www.poppyrecords.co.uk
 
lørdag den 5. marts 2022 kl. 08.26.49 UTC+1 skrev bill....@ieee.org:
On Saturday, March 5, 2022 at 4:45:34 PM UTC+11, Jan Panteltje wrote:
Low on gas: Ukraine invasion chokes supply of neon needed for chipmaking

https://arstechnica.com/gadgets/2022/03/low-on-gas-ukraine-invasion-chokes-supply-of-neon-needed-for-chipmaking/

More chip supply troubles to come?

https://en.wikipedia.org/wiki/Neon

Any air-liquification plant can supply it, and that does seem to be the only source. Our atmosphere contains 18.2 ppm of neon by volume, so you have to process a lot of air to get much neon.

Quite why Russia and the Ukraine supply 90% of the market isn\'t obvious - there are air liquification plants all over the wourld supplying liquid nitrogen to everybody.

Presumably you\'d have to tack on a bit more gear to take out the neon as a separate gas, but it wouldn\'t be difficult or demanding. I imagine that at some point the USSR made a hash of predicting how much neon they\'d need, and installed more neon-extracting capacity than they actually needed, and have been undercutting everybody else ever since.

https://hackaday.com/2022/02/27/neon-ukraine-and-the-global-semiconductor-industry/#comments
 
On Saturday, March 5, 2022 at 9:11:41 PM UTC+11, Liz Tuddenham wrote:
Anthony William Sloman <bill....@ieee.org> wrote:

On Saturday, March 5, 2022 at 4:45:34 PM UTC+11, Jan Panteltje wrote:
Low on gas: Ukraine invasion chokes supply of neon needed for chipmaking

https://arstechnica.com/gadgets/2022/03/low-on-gas-ukraine-invasion-chok
es-supply-of-neon-needed-for-chipmaking/

More chip supply troubles to come?

https://en.wikipedia.org/wiki/Neon

Any air-liquification plant can supply it, and that does seem to be the
only source. Our atmosphere contains 18.2 ppm of neon by volume, so you
have to process a lot of air to get much neon.

Quite why Russia and the Ukraine supply 90% of the market isn\'t obvious -
there are air liquification plants all over the wourld supplying liquid
nitrogen to everybody.

Presumably you\'d have to tack on a bit more gear to take out the neon as
a separate gas, but it wouldn\'t be difficult or demanding. I imagine that
at some point the USSR made a hash of predicting how much neon they\'d
need, and installed more neon-extracting capacity than they actually
needed, and have been undercutting everybody else ever since.
Philips used to make some very neat air-liquefying plant based on a
Stirling-cycle machine and a fractionating column. Various editions of
the Philips Technical Review explain it in great detail.

Jan, do you happen to know if they still make it?

Probably not. Philips is pretty much localised around Eindhoven, which down on the Belgian border, and Jan seems to live in the Achterhoek, quite a bit further north close to Germany. They\'ve got their own technical university at at Twente. The distances aren\'t all that large but it\'s in the Protestant north of the country rather than the Catholic South. Philips did have a semiconductor plant in Nijmegen (now NXP) but Nijmegen in still in the Catholic south.

--
Bill Sloman, Sydney
 
Anthony William Sloman <bill.sloman@ieee.org> wrote in
news:1df2cd5e-a451-473f-acd5-bf6247d5c65en@googlegroups.com:

On Saturday, March 5, 2022 at 4:45:34 PM UTC+11, Jan Panteltje
wrote:
Low on gas: Ukraine invasion chokes supply of neon needed for
chipmaking


https://arstechnica.com/gadgets/2022/03/low-on-gas-ukraine-invasio
n-choke
s-supply-of-neon-needed-for-chipmaking/

More chip supply troubles to come?

https://en.wikipedia.org/wiki/Neon

Any air-liquification plant can supply it, and that does seem to
be the only source. Our atmosphere contains 18.2 ppm of neon by
volume, so you have to process a lot of air to get much neon.

Quite why Russia and the Ukraine supply 90% of the market isn\'t
obvious - there are air liquification plants all over the wourld
supplying liquid nitrogen to everybody.

Presumably you\'d have to tack on a bit more gear to take out the
neon as a separate gas, but it wouldn\'t be difficult or demanding.
I imagine that at some point the USSR made a hash of predicting
how much neon they\'d need, and installed more neon-extracting
capacity than they actually needed, and have been undercutting
everybody else ever since.

We will just have to build separators and gather it up at a plant
here. Or in another free nation. The hardware is not that
significant. It is not like the rare earth issue China is going to
present the planet with.
 
Anthony William Sloman <bill.sloman@ieee.org> wrote in
news:7f52dcd5-0f02-429c-9555-ac2050e2ab97n@googlegroups.com:

On Saturday, March 5, 2022 at 9:11:41 PM UTC+11, Liz Tuddenham
wrote:
Anthony William Sloman <bill....@ieee.org> wrote:

On Saturday, March 5, 2022 at 4:45:34 PM UTC+11, Jan Panteltje
wrote:

Low on gas: Ukraine invasion chokes supply of neon needed for
chipmak
ing

https://arstechnica.com/gadgets/2022/03/low-on-gas-ukraine-inv
asion-c
hok
es-supply-of-neon-needed-for-chipmaking/

More chip supply troubles to come?

https://en.wikipedia.org/wiki/Neon

Any air-liquification plant can supply it, and that does seem
to be the

only source. Our atmosphere contains 18.2 ppm of neon by
volume, so you

have to process a lot of air to get much neon.

Quite why Russia and the Ukraine supply 90% of the market isn\'t
obvious
-
there are air liquification plants all over the wourld
supplying liquid

nitrogen to everybody.

Presumably you\'d have to tack on a bit more gear to take out
the neon a
s
a separate gas, but it wouldn\'t be difficult or demanding. I
imagine th
at
at some point the USSR made a hash of predicting how much neon
they\'d

need, and installed more neon-extracting capacity than they
actually needed, and have been undercutting everybody else ever
since.
Philips used to make some very neat air-liquefying plant based on
a Stirling-cycle machine and a fractionating column. Various
editions of the Philips Technical Review explain it in great
detail.

Jan, do you happen to know if they still make it?

Probably not. Philips is pretty much localised around Eindhoven,
which down on the Belgian border, and Jan seems to live in the
Achterhoek, quite a bit further north close to Germany. They\'ve
got their own technical university at at Twente. The distances
aren\'t all that large but it\'s in the Protestant north of the
country rather than the Catholic South. Philips did have a
semiconductor plant in Nijmegen (now NXP) but Nijmegen in still in
the Catholic south.

The wiki article stated that over 90% is made in Ukraine and Russia.

But I am quite sure that smaller production facilities can be set
upi pretty quickly. Like solar, or wind, a whole bunch of them could
nearly replace what we used to get from them.
 
On a sunny day (Sat, 5 Mar 2022 10:10:54 +0000) it happened
liz@poppyrecords.invalid.invalid (Liz Tuddenham) wrote in
<1poc9fw.1uhlm9g5r38z0N%liz@poppyrecords.invalid.invalid>:

Philips used to make some very neat air-liquefying plant based on a
Stirling-cycle machine and a fractionating column. Various editions of
the Philips Technical Review explain it in great detail.

Jan, do you happen to know if they still make it?

I do not know, idea.
But google finds this:
https://www.stirlingcryogenics.eu/en/products/liquid-nitrogen-production-systems

I can make my own liquid air with my stirling cooler (from a superconducting filter unit from an old cellphone tower):
http://panteltje.com/pub/cryo/

See this guy for where I got the idea:
https://www.youtube.com/watch?v=14B8LynojI4
 
On a sunny day (Sat, 5 Mar 2022 02:43:23 -0800 (PST)) it happened Anthony
William Sloman <bill.sloman@ieee.org> wrote in
<7f52dcd5-0f02-429c-9555-ac2050e2ab97n@googlegroups.com>:

Probably not. Philips is pretty much localised around Eindhoven, which down
on the Belgian border, and Jan seems to live in the Achterhoek,

Actually these days I live in the north in Friesland near the islands.
Clean air!

Religion hardly matters here or in the whole country,
Anyways the storm last week seems to have killed the church clock bongs here..

I worked for Philips and Philips military (in Huizen) long ago,
that is close to Amsterdam.
 
On Saturday, March 5, 2022 at 10:37:24 PM UTC+11, DecadentLinux...@decadence.org wrote:
Anthony William Sloman <bill....@ieee.org> wrote in news:1df2cd5e-a451-473f...@googlegroups.com:
On Saturday, March 5, 2022 at 4:45:34 PM UTC+11, Jan Panteltje wrote:

<snip>

> It is not like the rare earth issue China is going to present the planet with.

Actually, it is pretty much the same issue. Russia was selling neon cheaply enough that it isn\'t worth anybody else\'s while to set up the separators.

Rare earths aren\'t all that rare, but China sold what it dug up cheaply enough that it wasn\'t profitable for anybody else to invest in their own mines and refineries, and if they did China dropped the price that little bit more so they didn\'t make a profit.

Now that the market has got bigger, there are rare earth mines in production again outside China. China has about 36% of the known resources and currently supplies about 80% of the market.

When I grew up in Tasmania, the Tasmanian tin mines kept on getting started up on small scale, and as soon as they did some overseas competitor dropped their selling price to the point where the Tasmania operation lost too much money to be able to keep working.

Miners love to get their ores labelled as a strategic asset, so the taxpayer keeps their mines working while these games are being played. But nobody ever thought that tin was strategic.

--
Bil Sloman, Sydney
 
Anthony William Sloman <bill.sloman@ieee.org> wrote in
news:dee6c6b5-130f-418c-a219-77133af49a69n@googlegroups.com:

Actually, it is pretty much the same issue. Russia was selling
neon cheaply enough that it isn\'t worth anybody else\'s while to
set up the separators.

Wrong again, chump. The world got most of it from Ukraine.

And when a shortage is caused by current circumstance, it IS very much
worth it for the chip fabs and laser makers to make moves to get it
elsewhere, even if the cost is higher.

Essentially your grasp of what takes place when things like a war
breaks out rests firmly at nil.

But I am sure that you will go back to your same retarded habit of
posting horseshit and then replying to responses with the stupid FOOL
quote, message header morphed stupid shit.
 
Anthony William Sloman <bill.sloman@ieee.org> wrote in news:dee6c6b5-
130f-418c-a219-77133af49a69n@googlegroups.com:

> <snip>

Actually I took your post as one from John Dope, because what you said
does not make sene in the current circumstance.

Same thing with the claims you made about the rare earth metals.
Some of those are ONLY in China, and any other place in the world has
to little of it to make any extraction processes too costly and produce
too little. But that is not the case with Neon.

Like Platinum, mainly in South Africa, the few other places it is
mined have much lower yields and make it prohibitively expensive.
So even though it can be found even here in North America, there is
only one \"Platinum mine\" in the US.
 
On Sat, 05 Mar 2022 05:45:00 GMT, Jan Panteltje
<pNaonStpealmtje@yahoo.com> wrote:

Low on gas: Ukraine invasion chokes supply of neon needed for chipmaking

https://arstechnica.com/gadgets/2022/03/low-on-gas-ukraine-invasion-chokes-supply-of-neon-needed-for-chipmaking/

More chip supply trubles to come?

It will help some if we don\'t sell the Russians any chips.



--

I yam what I yam - Popeye
 
On Saturday, March 5, 2022 at 6:51:22 AM UTC-8, DecadentLinux...@decadence.org wrote:

...about the rare earth metals.
Some of those are ONLY in China, and any other place in the world has
to little of it to make any extraction processes too costly and produce
too little.

It\'s not hard to find rare earth minerals, they\'re well spread. What IS hard,
is separating them, which takes lots of chemical wizardry. So, while
one can get a supply of mischmetal (like for the \'flint\' elements of
disposable lighters) anywhere, a pure neodymium supply for making
magnets is going to involve a shipment from China.
 
whit3rd <whit3rd@gmail.com> wrote:

On Saturday, March 5, 2022 at 6:51:22 AM UTC-8,
DecadentLinux...@decadence.org wrote:

...about the rare earth metals.
Some of those are ONLY in China, and any other place in the world has
to little of it to make any extraction processes too costly and produce
too little.

It\'s not hard to find rare earth minerals, they\'re well spread. What
IS hard, is separating them, which takes lots of chemical wizardry.
So, while one can get a supply of mischmetal (like for the \'flint\'
elements of disposable lighters) anywhere, a pure neodymium supply for
making magnets is going to involve a shipment from China.

That could change. Thorium Molten Salt Reactors will soon come online.

From a recent post:

4. Nuclear Waste: Fission Products, Decay Products, Transuranics
https://www.youtube.com/watch?v=neU0KGgQ0Z4

Among the fission products are xenon, neodymium, zirconium, and molebdenum.
- xenon is used in satellite propulsion
- neodymium is used in electric cars and wind generators
- zirconium is strong, malleable, corrosion resistant, with many uses
- molebdenum is used in carbides and high-strength alloys and superalloys
and is a trace element essential for life

Most of the fission products decay rapidly.

5. Radioactivity

5A. Isotopes of xenon

Naturally occurring xenon (54Xe) consists of seven stable isotopes
and two very long-lived isotopes. Double electron capture has been
observed in 124Xe (half-life 1.8 +/- 0.5(stat) +/- 0.1(sys) x1022
years)[1] and double beta decay in 136Xe (half-life 2.165 +/-
0.016(stat) +/- 0.059(sys) x1021 years),[2] which are among the
longest measured half-lives of all nuclides. The isotopes 126Xe and
134Xe are also predicted to undergo double beta decay,[4] but this
has never been observed in these isotopes, so they are considered to
be stable.[5][6] Beyond these stable forms, 32 artificial unstable
isotopes and various isomers have been studied, the longest-lived of
which is 127Xe with a half-life of 36.345 days. All other isotopes
have half-lives less than 12 days, most less than 20 hours. The
shortest-lived isotope, 108Xe,[7] has a half-life of 58 ?s, and is
the heaviest known nuclide with equal numbers of protons and
neutrons. Of known isomers, the longest-lived is 131mXe with a
half-life of 11.934 days. 129Xe is produced by beta decay of 129I
(half-life: 16 million years); 131mXe, 133Xe, 133mXe, and 135Xe are
some of the fission products of both 235U and 239Pu, so are used as
indicators of nuclear explosions.

https://en.wikipedia.org/wiki/Isotopes_of_xenon

5B. Isotopes of neodymium
From Wikipedia, the free encyclopedia

Naturally occurring neodymium (60Nd) is composed of 5 stable
isotopes, 142Nd, 143Nd, 145Nd, 146Nd and 148Nd, with 142Nd being the
most abundant (27.2% natural abundance), and 2 long-lived
radioisotopes, 144Nd and 150Nd. In all, 33 radioisotopes of
neodymium have been characterized up to now, with the most stable
being naturally occurring isotopes 144Nd (alpha decay, a half-life
(t1/2) of 2.29x1015 years) and 150Nd (double beta decay, t1/2 of
7x1018 years).

All of the remaining radioactive isotopes have half-lives that are
less than 12 days, and the majority of these have half-lives that
are less than 70 seconds; the most stable artificial isotope is
147Nd with a half-life of 10.98 days. This element also has 13 known
meta states with the most stable being 139mNd (t1/2 5.5 hours),
135mNd (t1/2 5.5 minutes) and 133m1Nd (t1/2 ~70 seconds).

The primary decay modes before the most abundant stable isotope,
142Nd, are electron capture and positron decay, and the primary mode
after is beta decay. The primary decay products before 142Nd are
element Pr (praseodymium) isotopes and the primary products after
are element Pm (promethium) isotopes.

https://en.wikipedia.org/wiki/Isotopes_of_neodymium

5C. Isotopes of molybdenum

Molybdenum (42Mo) has 33 known isotopes, ranging in atomic mass from
83 to 115, as well as four metastable nuclear isomers. Seven
isotopes occur naturally, with atomic masses of 92, 94, 95, 96, 97,
98, and 100. All unstable isotopes of molybdenum decay into isotopes
of zirconium, niobium, technetium, and ruthenium.[2]

Molybdenum-100 is the only naturally occurring isotope that is not
stable. Molybdenum-100 has a half-life of approximately 1x1019 y and
undergoes double beta decay into ruthenium-100. Molybdenum-98 is the
most common isotope, comprising 24.14% of all molybdenum on Earth.
Molybdenum isotopes with mass numbers 111 and up all have half-lives
of approximately .15 s.[2]

https://en.wikipedia.org/wiki/Isotopes_of_molybdenum

5D. Isotopes of zirconium

Naturally occurring zirconium (40Zr) is composed of four stable
isotopes (of which one may in the future be found radioactive), and
one very long-lived radioisotope (96Zr), a primordial nuclide that
decays via double beta decay with an observed half-life of 2.0x1019
years;[3] it can also undergo single beta decay, which is not yet
observed, but the theoretically predicted value of t1/2 is 2.4x1020
years.[4] The second most stable radioisotope is 93Zr, which has a
half-life of 1.53 million years. Thirty other radioisotopes have
been observed. All have half-lives less than a day except for 95Zr
(64.02 days), 88Zr (83.4 days), and 89Zr (78.41 hours). The primary
decay mode is electron capture for isotopes lighter than 92Zr, and
the primary mode for heavier isotopes is beta decay.

https://en.wikipedia.org/wiki/Isotopes_of_zirconium
 
On Sunday, March 6, 2022 at 7:28:13 AM UTC+11, Mike Monett wrote:
whit3rd <whi...@gmail.com> wrote:

On Saturday, March 5, 2022 at 6:51:22 AM UTC-8,
DecadentLinux...@decadence.org wrote:

...about the rare earth metals.
Some of those are ONLY in China, and any other place in the world has
to little of it to make any extraction processes too costly and produce
too little.

It\'s not hard to find rare earth minerals, they\'re well spread. What
IS hard, is separating them, which takes lots of chemical wizardry.
So, while one can get a supply of mischmetal (like for the \'flint\'
elements of disposable lighters) anywhere, a pure neodymium supply for
making magnets is going to involve a shipment from China.

It isn\'t. China is the leading supplier of rare earth metals - about 80% of the market but it has only about 36% of the known resources.

America used to be the leading supplier, but China saw the opportunity to squeeze other suppliers out of the market by going big enough to get economies of scale.

The rest of the world has got anxious about this, and suppliers in other countries are ramping up. They can\'t yet be as cheap but they can be more politically relaible, and the market is now a lot bigger than it used to be and it\'s worth investing serious money in high volume extraction and processing.

> That could change. Thorium Molten Salt Reactors will soon come online.

And will solve all the world\'s problems, if you believe their brainwashed advocates.
From a recent post:

4. Nuclear Waste: Fission Products, Decay Products, Transuranics
https://www.youtube.com/watch?v=neU0KGgQ0Z4

Among the fission products are xenon, neodymium, zirconium, and molebdenum.
- xenon is used in satellite propulsion
- neodymium is used in electric cars and wind generators
- zirconium is strong, malleable, corrosion resistant, with many uses
- molebdenum is used in carbides and high-strength alloys and superalloys
and is a trace element essential for life

Most of the fission products decay rapidly.

And those that don\'t can be a real and persistent problem. It\'s really not economically feasible to separate the almost stable isoptopes from the intensely radioactive (if fast decaying) ones.

<snipped the documentation of the uncomprehended problem>

--
Bill Sloman, Sydney
 
On Sunday, March 6, 2022 at 9:40:57 AM UTC+11, jla...@highlandsniptechnology.com wrote:
On Sat, 05 Mar 2022 17:11:23 GMT, Jan Panteltje <pNaonSt...@yahoo.com> wrote:
On a sunny day (Sat, 05 Mar 2022 07:50:11 -0800) it happened jla...@highlandsniptechnology.com wrote in <ak172hh7u3n7b74dd...@4ax.com>:
On Sat, 05 Mar 2022 05:45:00 GMT, Jan Panteltje <pNaonSt...@yahoo.com> wrote:

<snip>

US is killing itself as it demonstrates it is a bad idea to do business with
it as it can change deals anytime it feels like it.
Block your money, confiscate your property...
Called stealing in the free world...

BAD for business.

It\'s a shame we lost so much revenue not selling poison gas to
Germany.

Not that John Larkin knows when this might have happened. The US did refuse to sell gases to Iran that could have been used to make war gases, while the Germans did. The problem is that most chemical compounds have a lot of applications, and making war gases is usually only one of them.

--
Bill Sloman, Sydney
 
On Saturday, March 5, 2022 at 9:51:22 AM UTC-5, DecadentLinux...@decadence.org wrote:
Anthony William Sloman <bill....@ieee.org> wrote in news:dee6c6b5-
130f-418c-a219...@googlegroups.com:

snip

Actually I took your post as one from John Dope, because what you said
does not make sene in the current circumstance.

Same thing with the claims you made about the rare earth metals.
Some of those are ONLY in China

Which ones?

--

Rick C.

- Get 1,000 miles of free Supercharging
- Tesla referral code - https://ts.la/richard11209
 
On Saturday, March 5, 2022 at 10:50:23 AM UTC-5, jla...@highlandsniptechnology.com wrote:
On Sat, 05 Mar 2022 05:45:00 GMT, Jan Panteltje
pNaonSt...@yahoo.com> wrote:

Low on gas: Ukraine invasion chokes supply of neon needed for chipmaking

https://arstechnica.com/gadgets/2022/03/low-on-gas-ukraine-invasion-chokes-supply-of-neon-needed-for-chipmaking/

More chip supply trubles to come?
It will help some if we don\'t sell the Russians any chips.

By \"we\" you mean the Taiwanese?

--

Rick C.

+ Get 1,000 miles of free Supercharging
+ Tesla referral code - https://ts.la/richard11209
 
On Sunday, March 6, 2022 at 5:14:16 AM UTC+11, whit3rd wrote:
On Saturday, March 5, 2022 at 6:51:22 AM UTC-8, DecadentLinux...@decadence.org wrote:

...about the rare earth metals.
Some of those are ONLY in China, and any other place in the world has
to little of it to make any extraction processes too costly and produce
too little.
It\'s not hard to find rare earth minerals, they\'re well spread. What IS hard,
is separating them, which takes lots of chemical wizardry. So, while
one can get a supply of mischmetal (like for the \'flint\' elements of
disposable lighters) anywhere, a pure neodymium supply for making
magnets is going to involve a shipment from China.

It might. The Chinese have sewn up the rare earths business to the the extent that they supply about 80% of the market.

Now that rare earths are being used more extensively than they used to be, other countries are getting into the act. China has only got about 36% of the known resources, and there are certainly Australian miners who want to dig up Australian resources (which are only 3% of the known resources, but Australia is big).
The US used to be the main source, and their mines are being revived.

--
Bill Sloman, Sydney
 

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