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
Holden Mine, Railroad Creek Mining District, Chelan County, Washington, 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 Holden Mine, Railroad Creek Mining District, Chelan County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:242147
Long-form Identifier:1:3:242147:6
GUID (UUID V4):0
Nearest other occurrences of Malachite
8.9km (5.5 miles) ⓘEsmeralda Prospect, Phelps Ridge (Red Mountain), Chiwawa Mining District, Chelan County, Washington, USA
12.3km (7.6 miles) ⓘFortress Mountain, Glacier Peak Mining District, Snohomish County, Washington, USA
14.7km (9.1 miles) ⓘGlacier Peak Mine, Glacier Peak Mining District, Snohomish County, Washington, USA
24.1km (15.0 miles) ⓘP.I. Prospect, Chiwawa Mining District, Chelan County, Washington, USA
32.0km (19.9 miles) ⓘRobishaud Mine, Lake Chelan, Chelan County, Washington, USA
37.7km (23.4 miles) ⓘWashington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
39.6km (24.6 miles) ⓘJohnsburg Mine, Cascade River, Cascade Mining District, Skagit County, Washington, USA
48.2km (29.9 miles) ⓘAlder Mine, Twisp Mining District, Okanogan County, Washington, USA
54.1km (33.6 miles) ⓘMineral Center Prospect, Silver Creek Mining District, Snohomish County, Washington, USA
54.6km (33.9 miles) ⓘMackinaw Mine, Monte Cristo Mining District, Snohomish County, Washington, USA
References
Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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