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Pickeringite & Metavoltine

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SLN209332

Pickeringite & Metavoltine

Description Tabs

Description
Locality: 
Le Cetine di Cotorniano Mine, Chiusdino, Siena Province, Tuscany, Italy
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.3 × 6.5 × 3.8 cm
Description

Nice specimen coming from the famous tuscan mine of Le Cetine with a myriad of white acicular pickeringite crystals of cottony appearance associated with a lot of canary yellow metavoltine crystals

Mineral Data
What's on the rock

Pickeringite

Formula: 
MgAl2(SO4)4·22H2O
Strunz: 
7.CB.85
Hardness: 
1.5 - 2.0
Type Locality: 
Cerros Pintados ("Cerro Pintados"), Pampa del Tamarugal, El Tamarugal Province, Tarapacá Region, Chile...

Metavoltine

Formula: 
Na6K2FeFe6(SO4)12O2·18H2O
Strunz: 
7.DF.35
Hardness: 
2.5
Type Locality: 
Zagh Mine (Tangeh Zagh mine; Madeni Zakh), Haji Abad town, Bandar Abbas (Bandar-e Abbas), Bandar-Abbas County, Hormozgan Province, Iran

Seller Information

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