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Mandarinoite & Naumannite

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BCK521298

Mandarinoite & Naumannite

Rare Mineral

Description Tabs

Description
Locality: 
De Lamar Mine, De Lamar, Owyhee County, Idaho, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 2.2 × 1.3 cm
Description

You are bidding on a small specimen with several vugs hosting green, striated partial crystals of extremely rare mandarinoite with rough crystals of naumannite and occasional chlorargyrite. There are also some tiny single, perfect crystals in some of the vugs much too small for me to photograph. 

Mineral Data
What's on the rock

Mandarinoite

Formula: 
Fe3+2(SeO3)3·4H2O
Strunz: 
4.JH.15
Crystal System: 
Monoclinic
Hardness: 
2.5
Type Locality: 
Virgen de Surumi mine (Pacajake mine; Pakajake mine), Pakajake Canyon (Pacajake Canyon), Chayanta Province, Potosí Department, Bolivia

Naumannite

Formula: 
Ag2Se
Strunz: 
2.BA.55
Crystal System: 
Orthorhombic
Hardness: 
2.5
Streak: 
black
Type Locality: 
Tilkerode (Abberode), Harz, Saxony-Anhalt, Germany

Seller Information

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