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Coquandite With Klebelsbergite On Stilbite

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JWM1030385

Coquandite With Klebelsbergite On Stilbite

Description Tabs

Description
Locality: 
Pereta Mine, Scansano, Grosseto Province, Tuscany, Italy
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 1.2 × 0.7 cm
Weight: 
7.00gr
Description

Acicular sprays of yellow klebelsbergite with silky coquandite, on stilbite.  

Actual shipping cost will be calculated and added to the invoice.

Previous labels supplied (not photographed)
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

Stilbite

Synonym Of: 

Stilbite-Ca

Formula: 
NaCa4[Al9Si27O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0

Stilbite-Na

Formula: 
(Na,Ca,K)6-7[Al8Si28O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0
Hardness: 
3.5 - 4
Colour: 
White
Streak: 
White

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