Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Olivine Corporation Mine, Sisters Mining District, Whatcom County, Washington, USAi
Regional Level Types
Olivine Corporation MineMine
Sisters Mining DistrictMining District
Whatcom CountyCounty
WashingtonState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
48° 44' 38'' North , 122° 0' 22'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Acme246 (2011)14.9km
Glacier211 (2011)16.8km
Deming353 (2011)17.8km
Maple Falls324 (2011)20.7km
Kendall191 (2011)21.4km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Mount Baker Rock And Gem ClubBellingham, Washington35km
Abbotsford Rock & Gem ClubAbbotsford, British Columbia39km
Skagit Rock and Gem ClubMt. Vernon, Washington42km
North Puget Sound Facetors GuildMount Vernon, Washington43km
Fraser Valley Rock & Gem ClubAldergrove, British Columbia48km
Mindat Locality ID:
416252
Long-form identifier:
mindat:1:2:416252:3
GUID (UUID V4):
0


A open pit olivine mine on the NW end of Twin Sisters Mountain. It was operated by the Olivine Corporation of Bellingham. The processing plant associated with the mine was located 40 miles away in Bellingham where olivine sand was produced.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


3 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
Group 9 - Silicates
ⓘEnstatite9.DA.05Mg2Si2O6
Unclassified
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Olivine Group'-M2SiO4

List of minerals for each chemical element

HHydrogen
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
OOxygen
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ EnstatiteMg2Si2O6
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ Olivine GroupM2SiO4
MgMagnesium
Mgⓘ EnstatiteMg2Si2O6
SiSilicon
Siⓘ EnstatiteMg2Si2O6
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
Siⓘ Olivine GroupM2SiO4
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
FeIron
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ MagnetiteFe2+Fe23+O4

Other Regions, Features and Areas containing this locality

North AmericaContinent
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

 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 21, 2026 18:36:06 Page updated: August 7, 2025 22:12:53
Go to top of page