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Wulfenite Willemite & Mimetite

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UVM806195

Wulfenite Willemite & Mimetite

Charles Trantham Estate (1936-2020), Collected by Al McGuinness
Classic Locality

Description Tabs

Description
Locality: 
Silver Reef #7 Mine, Casa Grande, Pinal County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 3.4 × 2.5 cm
Description

A rare locality wulfenite specimen, and a very good one for the locality.   This specimen features sharp orange wulfenite crystals to about half a centimeter, with colorless sprays of willemite and barrel shaped mimetite crystals.   There are coatings of cerussite and or anglesite, and something that may be mottramite or descloizite in association.   This is the only specimen from the locality I've ever come across.

From the estate of noted California collector and dealer Charles Trantham.

Mineral Data
What's on the rock

Wulfenite

Formula: 
Pb(MoO4)
Strunz: 
7.GA.05
Crystal System: 
Tetragonal
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Bad Bleiberg, Bleiberg District, Gailtaler Alpen & Karnische Alpen, Carinthia, Austria

Willemite

Formula: 
Zn2SiO4
Strunz: 
9.AA.05
Hardness: 
5.5
Streak: 
White
Type Locality: 
Vieille Montagne (Altenberg; Kelmisberg), Moresnet, Kelmis, Plombières-Vieille Montagne District (Plombières-Altenberg), Verviers, Liège Province, Belgium

Mimetite

Formula: 
Pb5(AsO4)3Cl
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Treue Freundschaft Mine, Johanngeorgenstadt, Johanngeorgenstadt District, Erzgebirge, Saxony, Germany

Seller Information

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