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Glaucophane & Chlorite

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SCH82380

Glaucophane & Chlorite

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Description
Locality: 
Benitoite Mine, San Benito County, California, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.3 × 1.2 cm
Description

Deep blue glaucophane crystals embedded in chlorite matrix.

Mineral Data
What's on the rock

Glaucophane

Formula: 
◻[Na2][Mg3Al2]Si8O22(OH)2
Strunz: 
9.DE.25
Hardness: 
5.0 - 6.0
Type Locality: 
Syros Island (Syra), Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon), Kykládes Prefecture, Aegean Islands Department (Aiyaíon), Greece

Chlorite

Synonym Of: 

Chlorite Group

Group Parent: 
Chlorite
Crystal System: 
Monoclinic
Hardness: 
2 - 2.5
Colour: 
Green, Grey, Brown
Streak: 
colourless
schani

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