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Laumontite & Calcite

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CLB74992

Laumontite & Calcite

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Description
Locality: 
Osilo, Sassari Province, Sardinia, Italy
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.2 × 3.4 cm
Description

A good sample with very fine laumontite 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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Seller Information

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