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Voltaite & Römerite

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SHS77656

Voltaite & Römerite

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Description
Locality: 
Nagybörzsöny, Szob, Börzsöny Mountains, Pest County, Hungary
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.4 × 0.8 cm
Description

Voltaite ans römerite in matrix

Mineral Data
What's on the rock

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

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
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