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Digenite & Natrolite

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UVM800769

Digenite & Natrolite

Charles Trantham Estate (1936-2020), A.L. McGuinness Label
Classic Locality

Description Tabs

Description
Locality: 
Dallas Gem Mine, San Benito County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 3.9 × 3.1 cm
Description

This is something rare.   Several microcrystals of digenite in white natrolite from the Benitoite Mine.   I've never seen another like it.

From the estate of noted California collector and dealer Charles Trantham, retaining a label from A.L. McGuinness who was Charles' close friend and collecting partner.

Mineral Data
What's on the rock

Digenite

Formula: 
Cu9S5
Strunz: 
2.BA.10
Hardness: 
2.5 - 3.0
Type Locality: 
Copper slate deposits, Sangerhausen, Saxony-Anhalt, Germany

Natrolite

Formula: 
Na2Al2Si3O10·2H2O
Strunz: 
9.GA.05
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Hohentwiel, Singen, Hegau, Baden-Württemberg, Germany

Seller Information

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