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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Magnetite from
Green Mountain/Bessemer Ridge, Snoqualmie Mining District, King County, Washington, USA


Locality type:Ridge
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Andradite-Grossular Series1
Axinite-(Fe)1
Quartz1
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Green Mountain/Bessemer Ridge, Snoqualmie Mining District, King County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:93268
Long-form Identifier:1:3:93268:4
GUID (UUID V4):0
Nearest other occurrences of Magnetite
10.7km (6.7 miles) ⓘRainy Mine, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
13.5km (8.4 miles) ⓘMount Roosevelt, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
16.9km (10.5 miles) ⓘChair Peak Skarn, Snoqualmie Mining District, King County, Washington, USA
18.0km (11.2 miles) ⓘNorth Fork Copper Deposit, Buena Vista Mining District, King County, Washington, USA
20.7km (12.8 miles) ⓘGuye Mine, Snoqualmie Mining District, King County, Washington, USA
23.8km (14.8 miles) ⓘBlack Dike Prospect, Miller River Mining District, King County, Washington, USA
25.7km (16.0 miles) ⓘThree Brothers Zone, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
28.6km (17.8 miles) ⓘMaloney Quarries, Grotto, King County, Washington, USA
29.2km (18.2 miles) ⓘAnderson Mine, Baring Mining District, King County, Washington, USA
35.0km (21.8 miles) ⓘUncle Sam Mine, Index Mining District, Snohomish County, Washington, USA
References
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.pages 44, 54
 
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