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Coquandite & Klebelsbergite & Native Sulphur

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PJM122083

Coquandite & Klebelsbergite & Native Sulphur

Type Locality

Description Tabs

Description
Locality: 
Pereta Mine, Scansano, Grosseto Province, Tuscany, Italy
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.5 × 2.5 cm
Description

A mass of intergrown silvery stibnite crystals, with some the the voids between the stibnite crystals filled with radiating sprays of coquandite and others with etched pale yellow gemmy native sulphur cr4ystals and red stain sprays of klebelsbergite. this is the type locality for coquandite a rare antimony sulphate species

Mineral Data
What's on the rock

Coquandite

Formula: 
Sb6+xO8+x(SO4)(OH)x(H2O)1- x (x = 0.3)
Strunz: 
7.DE.35
Crystal System: 
Triclinic
Hardness: 
3.0 - 4.0
Type Locality: 
Lucky Knock Mine (Lawrence Mine), Whitestone Coulee, Tonasket, Okanogan Co., Washington, USA

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
Earthstones Australia

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