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Laumontite & Prehnite On Quartz

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PJM162088

Laumontite & Prehnite On Quartz

Description Tabs

Description
Locality: 
Prospect Quarry, Prospect, Cumberland County, New South Wales, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 3.2 × 2.2 cm
Description

Lustrous opaque white crystals of laumontite with small hemispheres of light green prehnite on a bed of druzy quartz crystals

Mineral Data
What's on the rock

Laumontite

Formula: 
CaAl2Si4O12·4H2O
Strunz: 
9.GB.10
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Huelgoat (Locmaria-Berrien), Finistère, Brittany, France

Prehnite

Formula: 
Ca2Al2Si3O10(OH)2
Strunz: 
9.DP.20
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Earthstones Australia

Seller Information

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All goods must be paid for prior to shipping, all bids are binding.