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Stilbite

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JZM730729

Stilbite

Classic Locality

Description Tabs

Description
Locality: 
Seelbach, Herborn, Lahn-Dill, Giessen Region, Hesse, Germany
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.4 × 3 × 2.4 cm
Description

Yellowish-orange aggregate of stilbite associated with heulandite, calcite and minor laumontite. From an older find in 1977.

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

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