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Schwertmannite

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CSL512510

Schwertmannite

Rare Mineral

Description Tabs

Description
Locality: 
Nagybörzsöny, Szob, Börzsöny Mountains, Pest County, Hungary
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 2.6 × 2.2 cm
Description

Rusty brown coatings of rare iron-sulfate mineral on dacite matrix.

Mineral Data
What's on the rock

Schwertmannite

Formula: 
Fe3+16(OH,SO4)12-13O16·10-12H2O
Strunz: 
7.DE.15
Crystal System: 
Tetragonal
Hardness: 
1.0 - 2.0
Streak: 
yellow
Type Locality: 
Pyhäsalmi Mine, Pyhäjärvi, Northern Finland Region, Finland
Loranth Minerals

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