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Stilbite

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PJM35771

Stilbite

Description Tabs

Description
Locality: 
Propect Quarry, Sydney, New South Wales, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.8 × 6.9 × 4.2 cm
Largest Crystal: 
1.50cm
Description

Bundles of wheat-sheaf stilbite completely cover this specimen.

This free standing stilbite was acquired from a retired quarryman who worked at the Prospect Quarries. This well known location was the source of many fine specimens including numerous very large prehnite specimens, the quarry was closed to collecting in the late sixties or early 1970'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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