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Stilbite

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PJM43056

Stilbite

Description Tabs

Description
Locality: 
Prospect Quarry, Prospect, Cumberland County, New South Wales, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.7 × 3.6 × 2.3 cm
Description

Silky brown spray of stilbite off matrix from Prospect Quarry in the Sydney western suburbs. Acquired from a retired quarry worker in the 1980's.

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
Earthstones Australia

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