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Quenstedtite & Römerite

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GMN718814

Quenstedtite & Römerite

Description Tabs

Description
Locality: 
Szent Imre Mine, Mátraszentimre, Mátra Mountains, Heves County, Hungary
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 2 cm
Description

Big whiteish aggregate of microcrystals on matrix. Associated with brownish römerite balls of tabular crystals, and purple coquimbite crystals.

This mineral is rare to be seen by neked eye.

Mineral Data
What's on the rock

Quenstedtite

Formula: 
Fe2(SO4)3·10H2O
Strunz: 
7.CB.65
Hardness: 
2.5
Streak: 
White
Type Locality: 
Tierra Amarilla, Copiapó Province, Atacama Region, Chile

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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