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Glaucodot Arsenopyrite & Chalcopyrite

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BCK820914

Glaucodot Arsenopyrite & Chalcopyrite

Dan Behnke collection
Classic Locality

Description Tabs

Description
Locality: 
Flambeau Mine, Ladysmith, Rusk County, Wisconsin, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.81 × 2.6 × 1.3 cm
Description

ILLUSTRATED!! You are bidding on a small miniature sample with very rich cubic crystals of glaucodot (a thin rim on pyrite xx) with epitaxial, twinned crystals of arsenopyrite and hundreds of small golden chalcopyrite crystals. The glaucodot was confirmed by analysis. The sample is illustrated in the Mineralogical Record, V30, #2 p114 and in the Photo Atlas of Minerals 2007. Rich and beautiful! Comes with one original slide and collection index card. 

This sample is from the collection of Dan Behnke, long-time friend, micromounter and prodigious photographer. I am pleased to be able to offer selections from his large collection, many of which are illustrated specimens in Rocks & Minerals, The Mineralogiocal Record, Photo Atlas of Minerals and many other publications. All samples from his meticulously catalogued collection will come with his original index card with all notes, photography annotations and other pertinent information, as well as any slides Dan may have taken of the sample with publication notes and date the photo was made.

 

Mineral Data
What's on the rock

Glaucodot

Formula: 
(Co0.50Fe0.50)AsS
Strunz: 
2.EB.10c
Crystal System: 
Orthorhombic
Hardness: 
5.0
Streak: 
Black
Type Locality: 
Huasco, Huasco Province, Atacama Region, Chile

Arsenopyrite

Formula: 
FeAsS
Strunz: 
2.EB.20
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Seller Information

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