Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Gerstleyite

Views:
Watches:
GFM613600

Gerstleyite

Rare Mineral

Description Tabs

Description
Locality: 
U S Borax Mine, Boron, Kern County, California, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
0.8 × 2.6 × 1.3 cm
Largest Crystal: 
0.30cm
Description

metallic dark violet-red 3 mm aggregates of needle crystals, together with orange-red realgar as inclusions in colorless massive kernite. Nice specimens of this rare Sodium-Antimony-Sulfide in a new paragenesis

Mineral Data
What's on the rock

Gerstleyite

Formula: 
Na2(Sb,As)8S13·2H2O
Strunz: 
2.HE.05
Crystal System: 
Orthorhombic
Hardness: 
2.5
Type Locality: 
Baker mine, U.S. Borax Mine (Pacific West Coast Borax; Pacific Coast Borax Co.; Boron Mine; U.S. Borax and Chemical Corp.; Kramer Mine; Baker Mine), Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA