mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
0 item @ $0.00  

Brochantite

#33601

Brochantite

#33601
Availability
Sold
Size
2.5 x 2 x 1.5 cm - Thumbnail 
Formula
Cu4SO4(OH)6 (RRUFF)
Locality
Morenci mine, Greenlee Co., Arizona, United States
Tagged
sulfate

Emerald green micro-laths of Brochantite lining the 1.5cm vug in Limonite matrix mounted in a perky box.

This specimen is from the Heustis Collection, a former professor at Harvard, and has been EDS verified, see the Provenance tab for the Heustis Collection catalog card.

EDS Confirmed

Brochantite

Formula
Cu4SO4(OH)6 
Crystal System
Monoclinic 
Crystal Habit
Acicular, Prismatic, Druse 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
green, emerald green, black 
Streak
pale green 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 

Data courtesy of Webmineral.

Special Info
EDS Confirmed

Heustis Collection catalog card

Related Products

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2020 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map