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Chiavennite

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MCP729842

Chiavennite

Description Tabs

Description
Locality: 
Sakavalana, Ambatovita, Mandrosonoro, Ambatofinandrahana, Amoron'i Mania, Madagascar
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.3 × 3 × 1.5 cm
Largest Crystal: 
0.30cm
Description

Very rich, orange-brown, radial chiavennite aggregates, up to 3 mm in diameter on matrix, associated with pink, lustrous pezzottaite crystals up to 3 mm across from the Sakavalana Mine, Madagascar. A really nice specimen of this rare mineral in this association with pezzottaite.

Mineral Data
What's on the rock

Chiavennite

Formula: 
CaMnBe2Si5O13(OH)2·2H2O
Strunz: 
9.GF.25
Hardness: 
3.0
Type Locality: 
Tanno, Chiavenna, Valchiavenna, Sondrio Province, Lombardy, Italy

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