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Römerite Halotrichite Copiapite & Voltaite

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GTR39984

Römerite Halotrichite Copiapite & Voltaite

Rare Mineral

Description Tabs

Description
Locality: 
Cava del Ferro, Fornovolasco, Vergemoli, Lucca Province, Tuscany, Italy
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 2 cm
Description

Little but very Rich specimen with rare Roemerite, orange crystals up to 1 mm, Halotrichite in white thin spray, yellow masses of Copiapite, and Voltaite.

Mineral Data
What's on the rock

Römerite

Formula: 
Fe2+Fe3+2(SO4)4·14H2O
Strunz: 
7.CB.75
Hardness: 
3.0 - 3.5
Type Locality: 
Rammelsberg Mine, Rammelsberg, Goslar, Harz, Lower Saxony, Germany

Halotrichite

Formula: 
FeAl2(SO4)4·22H2O
Strunz: 
7.CB.85
Hardness: 
1.5 - 2.0
Streak: 
White

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

Voltaite

Formula: 
K2Fe2+5Fe3+3Al(SO4)12·18H2O
Strunz: 
7.CC.25
Hardness: 
3.0 - 3.5
Type Locality: 
Solfatara di Pozzuoli, Pozzuoli, Phlegrean Fields, Naples Province, Phlegrean Volcanic Complex, Campania, Italy
Geowellery

Seller Information

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1) If the main photo does not directly reflect the actual size of the piece/s, view all photos and read full listing descriptions to get a good idea of the piece/s your purchasing. Weights and sizes are close approximations, sizes may vary slightly due to the direction one may try and measure. We try to showcase damage in photos the best we can, but if you are directly concerned about damages or flaws it's your responsibility to contact us prior to purchasing.

2) Though we try our best to accurately depict each specimen in our photos, colors may vary slightly from monitor to monitor depending on your settings.

3) All orders are packed to the absolute best of our ability, we are extremely attentive when it comes to this matter to ensure there will be no damage to items during shipment, but if you have any specific requests please contact us before or immediately after your order has been placed via email.

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