Thomasclarkite-(y)
Thomasclarkite-(Y)
A variety of Minerals
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What is Thomasclarkite-(y)?
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.
Thomasclarkite-(y) Market Value Calculator
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Thomasclarkite-(y) Localities Map
See where Thomasclarkite-(y) is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Map preview
North ZoneCentral RidgeSouth Basin
Quick Facts
Physical Properties
- Color
- Honey-yellow to white
- Hardness (Mohs)
- 2 - 3
Chemical Properties
- Chemical Formula
- (Na,Ce)(Y,REE)(HCO3)(OH)3 · 4H2O
- Elements
- C, Ce, H, Na, O, Y
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