Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Jarosite & Cryptomelane

Views:
Watches:
CHP909661

Jarosite & Cryptomelane

Classic Locality

Description Tabs

Description
Locality: 
Serra da Mina Mine, Cercal, Santiago do Cacém, Setúbal District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2 × 1.8 cm
Description

specimen with many very nice yellow crystals of jarosite with associate gray crystalline aggregates of cryptomelane.

c. 4184

Mineral Data
What's on the rock

Jarosite

Formula: 
KFe3+ 3(SO4)2(OH)6
Strunz: 
7.BC.10
Crystal System: 
Trigonal - Pyramidal Class
Hardness: 
2.5 - 3.5
Type Locality: 
Jaroso Ravine, Sierra Almagrera, Cuevas del Almanzora (Cuevas de Vera), Almería, Andalusia, Spain

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps