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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Siderite from
Black Beauty Deposit (Crater Deposit), Cleora Mining District, Chaffee County, Colorado, USA


Locality type:Deposit
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Black Beauty Deposit (Crater Deposit), Cleora Mining District, Chaffee County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:372249
Long-form Identifier:1:3:372249:7
GUID (UUID V4):0
Nearest other occurrences of Siderite
6.5km (4.0 miles) ⓘBlackjack Group, Turret Mining District, Chaffee County, Colorado, USA
6.5km (4.0 miles) ⓘVenture Lode Mine 1933, Turret Mining District, Chaffee County, Colorado, USA
10.0km (6.2 miles) ⓘLiberty Hill Mine (Walter Higham's Mine), Turret Mining District, Chaffee County, Colorado, USA
21.9km (13.6 miles) ⓘYellow Pine Barite Vein Occurrence, Waugh Mountain Area, Fremont County, Colorado, USA
30.3km (18.8 miles) ⓘCotopaxi Mine (Cotopaxi lode; Gumaer Mine; Fannie lode; Fannie Mill), Mine Gulch, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA
30.4km (18.9 miles) ⓘMadonna Mine, Monarch Mining District, Chaffee County, Colorado, USA
31.2km (19.4 miles) ⓘHawkeye Mine, Monarch Mining District, Chaffee County, Colorado, USA
31.6km (19.7 miles) ⓘRawley Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
36.4km (22.6 miles) ⓘIron King, Tomichi Mining District (White Pine Mining District), Gunnison County, Colorado, USA
41.5km (25.8 miles) ⓘOrient Iron Mine (Caesar; MS 11400; Valley View; MS 8940; Vivia B.; MS 4988; Runaway; MS 1539; Prospector; MS 1505; Villa Grove), Orient Mining District, Saguache County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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