Charote
Murun
Siberia, Russia

This polished slab measures 12cm x 21cm




Charote      K(Ca,Na)2Si4O10(OH,F).H20

Silicates, complex chain silicate; precise structure unknown, used as a semi-precious gemstone in lapidary work

Color and Luster: usually violet to lilac, vitreous to silky

Hardness:5-6

Cleavage: 3 directions

Fracture: not reported

Crystals: Monoclinic or orthorhombic, this specimen occurs in Murun syenite massifs

Photo by Lance Kearns


Descriptions taken from
The Audubon Society Field Guide to North American Rocks and Minerals