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Eskolaite & Redledgeite

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CSL513938

Eskolaite & Redledgeite

Munich Show 2015
Rare Mineral

Description Tabs

Description
Locality: 
Saranovskii Mine, Saranovskaya, Gorozavodskii, Perm Krai, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.3 × 0.7 cm
Description

Few very nice aggregate of small black microcrystals of chrome-oxide mineral eskolaite in association with very rare olive green crystals of barium-titanium-chromium-oxide mineral redledgeite and clinochlore. Analysed material.

Mineral Data
What's on the rock

Eskolaite

Formula: 
Cr2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
8.0 - 8.5
Colour: 
Black
Streak: 
Green
Type Locality: 
Outokumpu Cu-Co-Zn-Ni-Ag-Au ore field, Eastern Finland Region, Finland

Redledgeite

Formula: 
Ba(Ti4+6Cr3+2)O16
Strunz: 
4.DK.05b
Crystal System: 
Tetragonal
Hardness: 
6.0 - 7.0
Type Locality: 
Red Ledge Mine, Washington, Washington District (Omega District), Nevada Co., California, USA
Loranth Minerals

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