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Ottensite & Klebelsbergite & Sulphur On Stibnite

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SHS1083215

Description Tabs

Description
Locality: 
Pereta Mine, Scansano, Grosseto Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.6 × 1.1 cm
Description

Ottensite with klebelsbergite and sulphur on stibnite crystals

Mineral Data
What's on the rock

Ottensite

Formula: 
(Na,K)3Sb3+6(Sb3+S3)O9·3H2O
Strunz: 
2.MA.05
Hardness: 
3.5 - 0.0
Colour: 
red-brown
Type Locality: 
Qinglong Mine (Dachang Mine), Dachang Sb ore field, Qinglong Co., Qianxi'nan Autonomous Prefecture, Guizhou Province, China...

Klebelsbergite

Formula: 
(SbO)4(SO4)(OH)2
Strunz: 
7.BB.35
Hardness: 
3.5 - 4.0
Type Locality: 
Baia Sprie (Felsöbánya), Maramureș Co., Romania

Sulphur

Formula: 
S8
Strunz: 
1.CC.05
Crystal System: 
Orthorhombic
Hardness: 
1.5 - 2.5

Stibnite

Formula: 
Sb2S3
Strunz: 
2.DB.05
Hardness: 
2.0
Streak: 
Lead grey