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Brochantite

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MGR908426

Brochantite

Description Tabs

Description
Locality: 
Milpillas Mine, Cuitaca, Santa Cruz Municipality, Sonora, Mexico
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 2.8 × 1 cm
Description

The special things about this piece: size and assemble. Brochantite in this dimension is really exceptional - Milpillas produced the very best Brochantite crystals world-wide and even from there you will get usually crystals around 1cm. I know only a fist full of specimen with crystals in compare-able dimension - they are all from one spectacular discovery in 2012, never before and never after such crystals came out. And it is formed like a „V“ - so not just remarkable dimension, also a very eye-catching assemble.

Mineral Data
What's on the rock

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...