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Metavoltine Pickeringite & Copiapite

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ACM942224

Metavoltine Pickeringite & Copiapite

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Description
Locality: 
Le Cetine di Cotorniano Mine, Chiusdino, Siena Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
0.6 × 1 × 1.6 cm
Description

sample entirely covered with pickeringite and copiapite with various yellow aggregates of metavoltine

Mineral Data
What's on the rock

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

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...

Copiapite

Formula: 
Fe2+Fe3+4(SO4)6(OH)2·20H2O
Strunz: 
7.DB.35
Hardness: 
2.5 - 3.0
Type Locality: 
Copiapó Province, Atacama Region, Chile

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions
Response time: the seller will reply to questions and purchase requests within 24 hours via the e-Rocks contact and invoice system. Contact me directly on [email protected] payments: if the mineral is shown different from the one presented, I assure the full refund of the purchase. the entire transaction must be the currency requested in the invoice I Paypal payments are welcomed. Do it to: [email protected]
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