thomasclarkite-(Y)
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Thomasclarkite-(Y) is a rare mineral which was known as UK-93 until 1997, when it was renamed in honour of Thomas H. Clark (1893–1996), McGill University professor. The mineral is one of many rare-earth element minerals from Mont Saint-Hilaire. The only reported occurrence is in an alkalic pegmatite dike in an intrusive gabbro-nepheline syenite.
Wikidata facts
- Subclass of
- carbonate and nitrate class of minerals
- Image
- Thomasclarkite-(Y)-107522.jpg
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- chemical formula
- (Na,Ce)(Y,REE)(HCO₃)(OH)₃·4H₂O
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 5.DC.20
- Nickel-Strunz 9th edition (updated 2009)
- 5.DC.20
- Commons category
- Thomasclarkite-(Y)
- streak color
- white
- crystal system
- monoclinic crystal system
- IMA Mineral Symbol
- Tcl-Y
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Encyclopedic overview
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- See also
- References
Thomasclarkite-(Y) is a rare mineral which was known as UK-93 until 1997, when it was renamed in honour of Thomas H. Clark (1893–1996), McGill University professor. The mineral is one of many rare-earth element minerals from Mont Saint-Hilaire. The only reported occurrence is in an alkalic pegmatite dike in an intrusive gabbro-nepheline syenite.
==See also== List of minerals List of minerals named after people
Excerpted from Wikipedia’s “thomasclarkite-(Y)” article, available under the CC BY-SA 4.0 licence.