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Laumontite

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SMM773729

Laumontite

Description Tabs

Description
Locality: 
Crastu Muradu Quarry, Osilo, Sassari Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3 × 2.5 cm
Description

Rich miniature of milk-white crystals. Unlike other locality, the crystals of laumontite of this quarry do not tend to crumble over time, these have been collected by me in 1984 and are still perfect.

Boxed with Label
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

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