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Cetineite

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CR212635

Cetineite

Rare Mineral

Description Tabs

Description
Locality: 
Le Cetine di Cotorniano Mine, Chiusdino, Siena Province, Tuscany, Italy
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 2.3 × 2.2 cm
Description

Deep orange-red cetineite microcrystals in several vugs all around the matrix. Rare.

Mineral Data
What's on the rock

Cetineite

Formula: 
(K,Na)6Sb3+12(Sb3+S3)2O18(OH)0.5·5,5H2O
Strunz: 
2.MA.05
Crystal System: 
Hexagonal
Hardness: 
3.5
Streak: 
Orange
Type Locality: 
Le Cetine di Cotorniano Mine (Le Cetine Mine; Cetine Mine; Rosia), Chiusdino, Siena Province, Tuscany, Italy