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Ferrierite-Mg - Ugas Quarry, Monastir, Cagliari Province, Sardinia, Italy (#:MINS9084)

Ferrierite-Mg in spheres up to 6 mm , with Palygorskite in association.

Formula :
[Mg2(K,Na)2Ca0.5](Si29Al7)72*18H2O

System: orthorhombic,monoclinic Hardness:3-3½ Rarity:not common
Strunz id:VIII/J.22-05 - SILICATES
Name origin: Named for Walter Frederick Ferrier (1865-1950), Canadian geologist and mining engineer.

Specimen weight:24 gr.
Crystal size:Up to 6 mm
Overall size: 30mm x 29 mm x 21 mm

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Ferrierite-Mg - Ugas Quarry, Monastir, Cagliari Province, Sardinia, Italy

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