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Stephens Mine, Skagit County, Washington, USAi
Regional Level Types
Stephens MineMine
Skagit CountyCounty
WashingtonState
USACountry

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Latitude & Longitude (WGS84):
48° 26' 29'' North , 122° 11' 0'' West
Latitude & Longitude (decimal):
48.44167,-122.18333
GeoHash:
G#: c295edsc1
GRN:
N33W59
Type:
Mine
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Clear Lake1,002 (2006)4.5km
Big Lake1,835 (2011)6.1km
Sedro-Woolley10,815 (2017)7.9km
Burlington8,633 (2017)11.1km
Mount Vernon34,053 (2017)11.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Skagit Rock and Gem ClubMt. Vernon, Washington11km
North Puget Sound Facetors GuildMount Vernon, Washington11km
Mount Baker Rock And Gem ClubBellingham, Washington42km
Marysville Rock & Gem Club, Inc.Marysville, Washington43km
Darrington Rock & Gem ClubDarrington, Washington48km
Mindat Locality ID:
27031
Long-form identifier:
mindat:1:2:27031:0
GUID (UUID V4):
0


A jade mine located about 6 miles East of mt vernon. Started about 1938. Owned by James Griffith Stephens. The Rocks and Minerals provides precise coordinates for this mine, indicating that it is not the same Stephens Mine located within the city limits of Anacortes.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


4 valid minerals.

Rock Types Recorded

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Anthophyllite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
Habit: dense lapidary grade
Colour: dark green
ⓘ 'Ferro-actinolite-Tremolite Series'
ⓘ Jadeite
Formula: Na(Al,Fe3+)Si2O6
ⓘ Sepiolite
Formula: Mg4(Si6O15)(OH)2 · 6H2O
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Talc
Formula: Mg3Si4O10(OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
ⓘJadeite9.DA.25Na(Al,Fe3+)Si2O6
ⓘAnthophyllite9.DD.05◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘSepiolite9.EE.25Mg4(Si6O15)(OH)2 · 6H2O
Unclassified
ⓘ'Ferro-actinolite-Tremolite Series'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Hⓘ SepioliteMg4(Si6O15)(OH)2 · 6H2O
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Ferro-actinolite-Tremolite Series
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
OOxygen
Oⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Oⓘ JadeiteNa(Al,Fe3+)Si2O6
Oⓘ SepioliteMg4(Si6O15)(OH)2 · 6H2O
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ Ferro-actinolite-Tremolite Series
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
NaSodium
Naⓘ JadeiteNa(Al,Fe3+)Si2O6
MgMagnesium
Mgⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mgⓘ SepioliteMg4(Si6O15)(OH)2 · 6H2O
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Ferro-actinolite-Tremolite Series
AlAluminium
Alⓘ JadeiteNa(Al,Fe3+)Si2O6
SiSilicon
Siⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Siⓘ JadeiteNa(Al,Fe3+)Si2O6
Siⓘ SepioliteMg4(Si6O15)(OH)2 · 6H2O
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Ferro-actinolite-Tremolite Series
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
CaCalcium
Caⓘ Ferro-actinolite-Tremolite Series
FeIron
Feⓘ JadeiteNa(Al,Fe3+)Si2O6
Feⓘ Ferro-actinolite-Tremolite Series

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

Rocks & Minerals. 14:112-113
Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA.
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