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Segnitite & Azurite

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BCK678472

Segnitite & Azurite

George Elling collection
New Discovery

Description Tabs

Description
Locality: 
Passaic Mine, Sterling Hill, New Jersey, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 0.8 × 0.8 cm
Description

You are bidding on a small sample with some vugs hosting minute dark green segnitite crystals with minor azurite blades and baryte crystals. The segnitite was very recently confirmed by PXRD and EDS analysis and is a new species for the mines! Only four samples were found! From material out of the Goerge Elling collection, former curator of the Franklin Mining Museum. 

Mineral Data
What's on the rock

Segnitite

Formula: 
PbFe3+3(AsO4)2(OH,H2O)6
Strunz: 
8.BL.10
Crystal System: 
Trigonal
Hardness: 
4.0
Type Locality: 
Kintore opencut, Broken Hill, Yancowinna Co., New South Wales, Australia

Azurite

Formula: 
Cu3(CO3)2(OH)2
Strunz: 
5.BA.05
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Chessy copper mines, Chessy-les-Mines, Le Bois d'Oingt, Rhône, Rhône-Alpes, France...

Seller Information

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