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Ferrierite-Mg

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SMM868331

Ferrierite-Mg

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Description
Locality: 
Mount Oladri Quarries, Monastir, South Sardinia Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 6.5 × 3 cm
Weight: 
190.00gr
Description

Many radial flattened groups of golden-brown ferrierite-Mg crystals with lighter crystals tips, up to 1.5 cm in diameter. A good sample from its classic Sardinian location.

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Mineral Data
What's on the rock

Ferrierite-Mg

Formula: 
(Mg,Na2,K2,Ca)3-5Mg[Al5-7Si27.5-31O72]·18H2O
Strunz: 
9.GD.50
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 3.5
Streak: 
White
Type Locality: 
Kamloops Lake, Kamloops Mining Division, British Columbia, Canada

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