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
Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA


Locality type:Pass
Classification
Species:Siderite
Formula:FeCO3
Habit:rhombohedral
Colour:honey to red brown
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Fluorite
Goethite
Hematite
Microcline
Quartz
Zircon
Associated Minerals Based on Photo Data:
Albite18
Microcline11
Quartz9
Hematite4
Synchysite-(Ce)2
Zircon2
Fluorite2
Mordenite1
Chlorite Group1
Bastnäsite Group1
Synchysite Group1
Apatite1
Calciocatapleiite1
Arfvedsonite1
Annite1
Chamosite1
Biotite1
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
Photo GalleryView Gallery (24 photos)
Data Identifiers
Mindat Occurrence Record ID:46428
Long-form Identifier:1:3:46428:0
GUID (UUID V4):0
Nearest other occurrences of Siderite
27.8km (17.3 miles) Black Warrior Mine, Horseshoe Basin, Stehekin Mining District, Chelan County, Washington, USA
43.6km (27.1 miles) Glacier Peak Mine, Glacier Peak Mining District, Snohomish County, Washington, USA
76.1km (47.3 miles) Giant Copper deposit, New Westminster Mining Division, British Columbia, Canada
82.6km (51.3 miles) Rainbow prospect, Sumallo River, New Westminster Mining Division, British Columbia, Canada
83.4km (51.8 miles) Silver Tip Mine, Mount Baker Mining District, Whatcom County, Washington, USA
85.1km (52.9 miles) Sunrise Prospect, North Fork of the Sultan River, Sultan Mining District, Snohomish County, Washington, USA
88.3km (54.9 miles) Summit Mine, Palmer Mountain Mining District, Okanogan County, Washington, USA
95.5km (59.3 miles) St. Theresa Prospect, Sultan Mining District, Snohomish County, Washington, USA
95.8km (59.5 miles) Mak Siccar Mine, Keremeos, Osoyoos Mining Division, British Columbia, Canada
98.0km (60.9 miles) Calumet Claim, Okanogan County, Washington, USA
References
 
and/or  
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