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Alunite & Brochantite

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PJM119400

Alunite & Brochantite

Description Tabs

Description
Locality: 
Iron Monarch Open Cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 3.9 × 2.8 cm
Description

A few bright green brochantite crystals on the edge of a plate of greenish alunite crystals, two of the more uncommon species for this locale.

Mineral Data
What's on the rock

Alunite

Formula: 
KAl3(SO4)2(OH)6
Strunz: 
7.BC.10
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Allumiere Quarries, Tolfa, Rome Province, Latium, Italy

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...
Earthstones Australia

Seller Information

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All goods must be paid for prior to shipping, all bids are binding.