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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Smith Open Cut, Cypress Island, Skagit County, Washington, USAi
Regional Level Types
Smith Open CutProspect
Cypress IslandIsland
Skagit CountyCounty
WashingtonState
USACountry

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Latitude & Longitude (WGS84):
48° 34' 57'' North , 122° 42' 29'' West
Latitude & Longitude (decimal):
48.58260,-122.70810
GeoHash:
G#: c28srsnwn
GRN:
N33W59
Type:
Prospect
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Anacortes16,403 (2017)10.5km
Orcas394 (2008)17.5km
Edison133 (2011)19.6km
Bay View696 (2011)20.2km
Friday Harbor2,340 (2017)23.4km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Mount Baker Rock And Gem ClubBellingham, Washington25km
Skagit Rock and Gem ClubMt. Vernon, Washington33km
North Puget Sound Facetors GuildMount Vernon, Washington33km
Mindat Locality ID:
68892
Long-form identifier:
mindat:1:2:68892:6
GUID (UUID V4):
0


A chromium prospect that worked a 1' band of stringers of chromite in serpentine by a 30' open cut.
Tectonics: Active Margin (Leading Edge Of North American Plate)

Deposit: A 1 ft band of chromite consisting of several stringers of chromite-rich ore .25 to .50 in wide. Band exposed for 30 ft.

Development: 30 ft open cut.

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


1 valid mineral.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
Unclassified
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Olivine Group'-M2SiO4

Other Databases

Link to USGS MRDS:10047972

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey.
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