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
Last Chance Mine, Cypress Island, Skagit County, Washington, USA


Locality type:Mine
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 Last Chance Mine, Cypress Island, Skagit County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:308809
Long-form Identifier:1:3:308809:8
GUID (UUID V4):0
Nearest other occurrences of Chromite
0.3km (0.2 miles) ⓘCypress Lake Prospect, Cypress Island, Skagit County, Washington, USA
0.6km (0.4 miles) ⓘSmith Open Cut, Cypress Island, Skagit County, Washington, USA
0.7km (0.4 miles) ⓘNellie Kellie Prospect, Cypress Island, Skagit County, Washington, USA
0.8km (0.5 miles) ⓘReady Cash Mine, Cypress Island, Skagit County, Washington, USA
2.7km (1.7 miles) ⓘMexican Bay Prospect, Cypress Island, Skagit County, Washington, USA
4.2km (2.6 miles) ⓘOlivine Hill Mine, Cypress Island, Skagit County, Washington, USA
10.6km (6.6 miles) ⓘAnacortes Prospect, Fidalgo Island, Skagit County, Washington, USA
18.0km (11.2 miles) ⓘBeach Placers, Fidalgo Island, Skagit County, Washington, USA
38.8km (24.1 miles) ⓘMount Vernon Mine, Skagit County, Washington, USA
49.5km (30.8 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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