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Connellite & Brochantite

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BCK722610

Connellite & Brochantite

Martin Jensen collection ILLUSTRATED SPECIMEN
Classic Locality

Description Tabs

Description
Locality: 
Majuba Hill Mine, Antelope, Pershing County, Nevada, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 0.8 × 0.4 cm
Description

You are bidding on a small sample with a beautiful cluster of connellite crystals in a small vug with brochantite crystals. According to Martin, this is the example of the species from the locality. This sample was illustrated in the Mineralogical Record, pg. 173, 1992 update on the minerals from the Majuba Hill Mine. Don't miss this chance to own yet another illustrated sample from the Martin Jensen collection!

Mineral Data
What's on the rock

Connellite

Formula: 
Cu19(SO4)(OH)32Cl4·3H2O
Strunz: 
3.DA.25
Crystal System: 
Hexagonal
Hardness: 
3.0
Type Locality: 
Wheal Providence, Providence Mines, Carbis Bay, St Ives, St Ives District, Cornwall, England, UK

Brochantite

Formula: 
Cu4(SO4)(OH)6
Strunz: 
7.BB.25
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Mednorudyanskoye Cu Deposit, Nizhnii Tagil, Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...

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