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Stilbite-Na

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MEX167039

Stilbite-Na

ex Manfred Köppler, Lünen collection
Type Locality

Description Tabs

Description
Locality: 
Capo di Pula, Pula, Cagliari Province, Sardinia, Italy
Size Range: 
Cabinet (10-18 cm)
Size: 
11.1 × 6.8 × 6.5 cm
Description

This cabinet specimen is overgrow with pinkish stilbite-na crystals, here and there are calcite crystals, too. The specimen comes with an older label, unknown provenance.

Mineral Data
What's on the rock

Stilbite-Na

Formula: 
(Na,Ca,K)6-7[Al8Si28O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Cape Pula, Pula, Cagliari Province, Sardinia, Italy