Minerals identify

Know how to recognize them

Thomasclarkite-(Y)

Carbonate mineral

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 is one of many rare-earth element minerals from Mont Saint-Hilaire. The only reported occurrence is in an alkalic pegmatite in an intrusive gabbro.

Identification

Color of mineral

White
Yellow

Mohs scale ( mineral hardness )

2

The streak

White

Density ( specific gravity )

1.4
1.54
1.54

Luster ( interacts light )

Vitreous

Crystal ( diaphaneity )

Monoclinic

Radioactive

Radioactive