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Stilbite

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WND543809

Stilbite

Description Tabs

Description
Locality: 
Strzegom, Strzegom-Sobótka Massif, Lower Silesian Voivodeship, Poland
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.4 × 2.3 cm
Largest Crystal: 
0.50cm
Description

Yellow-brownish, prismatic, lustrous stilbite crystals up to 0.5 cm tall on orthoclase crystals matrix from Strzegom (former Striegau), Poland. A nice piece, showing no visible damage.

Mineral Data
What's on the rock

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
Wendel Minerals

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