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Stilbite

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MCH627505

Stilbite

Description Tabs

Description
Locality: 
Byåsen, Trondheim, Sør-Trøndelag, Norway
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.8 × 7.5 × 2.5 cm
Description

A lawn of hundreds of good stilbite crystals (approx. 0.8 cm thick) covers a nice contrasting dark green amphibole rock.

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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