Sphalerite on Fluorite

Sphalerite – ZnS

Elements: Zinc, Sulfur

Class: Sulfides

Crystal System: Cubic

Hardness: 3.5-4

Fluorite

Talc (1)Diamond (10)

Softer than glass. A steel knife scratches it.

Fluorite – CaF₂

Elements: Calcium, Fluorine

Class: Halides

Crystal System: Cubic

Hardness: 4

Fluorite

Talc (1)Diamond (10)

Softer than glass. A steel knife scratches it.

Origin: Bethel Level, Annabel Lee Mine, Harris Creek Sub-District, Illinois – Usa History: Ex Ross Lillie Collection

More videos