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Lévyne-Ca & Cowlesite

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SMM720083

Lévyne-Ca & Cowlesite

Description Tabs

Description
Locality: 
Montresta, Oristano Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.5 × 1.5 cm
Description

Colorless, hexagonal tabulars, aggregates of Levyne-Ca crystals and white tufts of cowlesite. Nice.

Boxed with Label
Mineral Data
What's on the rock

Lévyne-Ca

Formula: 
(Ca,Na2,K2)[Al2Si4O12]·6H2O
Strunz: 
9.GD.15
Crystal System: 
Trigonal
Hardness: 
4.0 - 4.5
Colour: 
White
Streak: 
White
Type Locality: 
Dalsnipa (Dalsnypen), Sandoy Island, Faroe Islands, Denmark

Cowlesite

Formula: 
CaAl2Si3O10·6H2O
Strunz: 
9.GG.05
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Neer Road, Goble, Columbia Co., Oregon, USA

Seller Information

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