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Manganohörnesite & Sarkinite

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JYJ712464

Manganohörnesite & Sarkinite

Description Tabs

Description
Locality: 
Långban, Filipstad, Värmland County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 1.7 × 1.4 cm
Description

Raman & SEM-EDS verified brown sarkinite spheres with colourless manganhörnesite on a rhodochrosite-calcite matrix. 

Analysis is in the corresponding section with SEM-EDS & Raman for manganhörnesite (vivianite/erythrite matching in Raman)  & Raman for sarkinite. 

Mineral Data
What's on the rock

Manganohörnesite

Formula: 
(Mn,Mg)3(AsO4)2·8H2O
Strunz: 
8.CE.40
Hardness: 
1.0 - 0.0
Streak: 
White
Type Locality: 
Långban, Filipstad, Värmland, Sweden

Sarkinite

Formula: 
Mn2+2(AsO4)(OH)
Strunz: 
8.BB.15
Hardness: 
4.0 - 5.0
Type Locality: 
Harstigen Mine, Pajsberg, Persberg district, Filipstad, Värmland, Sweden
Analysis
Analysis Report - only: Manganohörnesite & Sarkinite
Analysis Report - only: Manganohörnesite & Sarkinite
Analysis Report - only: Manganohörnesite & Sarkinite