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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Calcite from
Empire Copper Mine, Mackay Mining District (Alder Creek Mining District; White Knob Mining District), Custer County, Idaho, USA


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Empire Copper Mine, Mackay Mining District (Alder Creek Mining District; White Knob Mining District), Custer County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:442124
Long-form Identifier:1:3:442124:5
GUID (UUID V4):0
Nearest other occurrences of Calcite
31.2km (19.4 miles) ⓘJohn Larson Prospect (High Mountain Group), Little Wood River Mining District (Muldoon Mining District), Blaine County, Idaho, USA
31.9km (19.8 miles) ⓘDrummond Claim (Drummond Copper Claim), Hailey Area, Blaine County, Idaho, USA
32.4km (20.1 miles) ⓘLead Belt Mine (Antelope Mine; Big Dipper), Lava Creek Mining District, Butte County, Idaho, USA
33.0km (20.5 miles) ⓘElla Mine (Rattlesnake; Last Chance), Lava Creek Mining District, Butte County, Idaho, USA
33.1km (20.6 miles) ⓘButte - Antelope Mine (Lowboy; Footwall Group), Lava Creek Mining District, Butte County, Idaho, USA
33.6km (20.9 miles) ⓘReliance Mine, Lava Creek Mining District, Butte County, Idaho, USA
33.8km (21.0 miles) ⓘSt. Louis Mine, Lava Creek Mining District, Butte County, Idaho, USA
35.7km (22.2 miles) ⓘPine Mouse Deposit, Alta Mining District (Alto Mining District; Wildhorse Mining District), Custer County, Idaho, USA
36.1km (22.4 miles) ⓘWildhorse Mine (Steep Climb; Hard To Find; Beaver), Alta Mining District (Alto Mining District; Wildhorse Mining District), Custer County, Idaho, USA
40.3km (25.0 miles) ⓘMascot Mine (Mascott Mining and Milling Company), Warm Springs Mining District (Warm Springs Creek Mining District), Blaine County, Idaho, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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