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Ferrierite-Mg

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SMM830557

Ferrierite-Mg

Description Tabs

Description
Locality: 
Mount Oladri Quarries, Monastir, South Sardinia Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 2.5 × 2 cm
Description

Nice, specimen with bright orange/red aggregates of ferrierite-Mg crystals. There is also few"heulandite" crystals and small black dendrites of Mn oxide. Very cute!

The place has been extinct for about fifteen years.

Boxed with Label
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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