Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Cryptomelane

Views:
Watches:
ESM686498

Cryptomelane

Description Tabs

Description
Locality: 
Hilarion Mines, Lavrion, Hilarion Mine, Hilarion, Kamariza, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.2 × 3.5 × 2.5 cm
Description

Black metallic cryptomelane needles on lustrous brown calcite crystals

Mineral Data
What's on the rock

Cryptomelane

Formula: 
K(Mn4+7Mn3+)O16
Strunz: 
4.DK.05a
Crystal System: 
Tetragonal
Hardness: 
5.0 - 6.5
Type Locality: 
Tombstone, Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA