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Cetineite Mopungite & Stibiconite

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CLB190832

Cetineite Mopungite & Stibiconite

ex ollection Dr. Gerhard Jung
Rare Mineral

Description Tabs

Description
Locality: 
Manciano, Grosseto Province, Tuscany, Italy
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 2.8 × 2.4 cm
Description

Rare red cetineite, brownish mopungite and white stibiconite on matrix. I'm not sure about the shiny silvery white round grain. Maybe gypsum?

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

Mopungite

Formula: 
Na[Sb5+(OH)6]
Strunz: 
4.FC.15
Crystal System: 
Tetragonal
Hardness: 
3.0
Type Locality: 
Green prospect, Lake District, Churchill Co., Nevada, USA

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