Thomasclarkite-(y)

Thomasclarkite-(Y)

A variety of Minerals

Thomasclarkite-(y) specimen - rock identification

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

Estimate the market value of Thomasclarkite-(y) using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.

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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

Interactive map layers and collecting notes are available in the app.

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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