Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Brochantite from
Mineral Hill Mine, Louisville, Carroll County, Maryland, USA


02806660017272033971193.jpg
Brochantite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
04044750017272734793922.jpg
Brochantite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
01739390017272033984465.jpg
Brochantite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
08772540017272033989855.jpg
Brochantite

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
05080910017361187821454.jpg
Brochantite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
04044750017272734793922.jpg
Brochantite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
01739390017272033984465.jpg
Brochantite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
08772540017272033989855.jpg
Brochantite

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
02806660017272033971193.jpg
Brochantite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
09045060017272734814497.jpg
Brochantite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
03812190017272034003159.jpg
Brochantite, etc.

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
08772540017272033989855.jpg
Brochantite

Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
Locality type:Mine
Classification
Species:Brochantite
Formula:Cu4(SO4)(OH)6
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Malachite4
Tenorite3
Talc2
Data
Mineral Data:Click here to view Brochantite data
Locality Data:Click here to view Mineral Hill Mine, Louisville, Carroll County, Maryland, USA
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:201928
Long-form Identifier:1:3:201928:4
GUID (UUID V4):0
Nearest other occurrences of Brochantite
47.6km (29.6 miles) ⓘHunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
74.7km (46.4 miles) ⓘMalachite Prospect (MRDS - 10203527), Chantilly, Fairfax County, Virginia, USA
References
Mines of the Washington D.C Area
 
and/or  
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