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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Chromite from
Cypress Lake Prospect, Cypress Island, Skagit County, Washington, USA


Locality type:Prospect
Classification
Species:Chromite
Formula:Fe2+Cr23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chromite data
Locality Data:Click here to view Cypress Lake Prospect, Cypress Island, Skagit County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:308804
Long-form Identifier:1:3:308804:3
GUID (UUID V4):0
Nearest other occurrences of Chromite
0.3km (0.2 miles) ⓘLast Chance Mine, Cypress Island, Skagit County, Washington, USA
0.4km (0.3 miles) ⓘNellie Kellie Prospect, Cypress Island, Skagit County, Washington, USA
0.5km (0.3 miles) ⓘSmith Open Cut, Cypress Island, Skagit County, Washington, USA
0.5km (0.3 miles) ⓘReady Cash Mine, Cypress Island, Skagit County, Washington, USA
2.9km (1.8 miles) ⓘMexican Bay Prospect, Cypress Island, Skagit County, Washington, USA
4.5km (2.8 miles) ⓘOlivine Hill Mine, Cypress Island, Skagit County, Washington, USA
10.9km (6.8 miles) ⓘAnacortes Prospect, Fidalgo Island, Skagit County, Washington, USA
18.2km (11.3 miles) ⓘBeach Placers, Fidalgo Island, Skagit County, Washington, USA
39.0km (24.3 miles) ⓘMount Vernon Mine, Skagit County, Washington, USA
49.5km (30.7 miles) ⓘSumas Mountain Iron Prospect, Sumas Mountain, Mount Baker Mining District, Whatcom 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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