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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Malachite from
Niagara Mine (Niagara group of claims; Niagara No. 1 through No. 6 claims; Niagra claims), Niagara Creek, Eureka Mining District, Yavapai County, Arizona, USA


Locality type:Mine
Classification
Species:Malachite
Formula:Cu2(CO3)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Malachite data
Locality Data:Click here to view Niagara Mine (Niagara group of claims; Niagara No. 1 through No. 6 claims; Niagra claims), Niagara Creek, Eureka Mining District, Yavapai County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:574203
Long-form Identifier:1:3:574203:5
GUID (UUID V4):0
Nearest other occurrences of Malachite
2.2km (1.4 miles) ⓘCopper Creek Sillimanite deposit, Copper Creek, Bagdad, Eureka Mining District, Yavapai County, Arizona, USA
2.2km (1.4 miles) ⓘBagdad Mine, Bagdad, Eureka Mining District, Yavapai County, Arizona, USA
2.6km (1.6 miles) ⓘCopper King Mine (Lawler Mines), Bagdad, Eureka Mining District, Yavapai County, Arizona, USA
3.3km (2.1 miles) ⓘMammoth Mine (Hubbard Mine), Eureka Mining District, Yavapai County, Arizona, USA
4.1km (2.5 miles) ⓘVidano claims (Vidano No. 1 through No. 8), Bagdad, Eureka Mining District, Yavapai County, Arizona, USA
4.7km (2.9 miles) ⓘHillside Mine, Bozarth Mesa, Bagdad, Eureka Mining District, Yavapai County, Arizona, USA
4.9km (3.1 miles) ⓘMountain Spring Mine, Bagdad, Eureka Mining District, Yavapai County, Arizona, USA
5.2km (3.3 miles) ⓘStukey Mine (Stucky Mine; Lawrence group of claims), Bagdad, Eureka Mining District, Yavapai County, Arizona, USA
5.3km (3.3 miles) ⓘBruce Mine, Bagdad, Eureka Mining District, Yavapai County, Arizona, USA
6.1km (3.8 miles) ⓘCopper Queen Mine, Bagdad, Eureka Mining District, Yavapai County, Arizona, USA
References
Stevens, H.J. (1911) A Manual of the Copper Industry of the World. The Copper Handbook Vol. 10
 
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