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Blanchard Hill, Skagit County, Washington, USAi
Regional Level Types
Blanchard HillHill
Skagit CountyCounty
WashingtonState
USACountry

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04769880017272042666798.jpg
Stilpnomelane Outcrop at Blanchard Hill

Blanchard Hill, Skagit County, Washington, USA
00863720017272042679326.jpg
Stilpnomelane Outcrop at Blanchard Hill

Blanchard Hill, Skagit County, Washington, USA
00023410017272043352800.jpg
Blanchard Hill stilpnomelane outcrop

Blanchard Hill, Skagit County, Washington, USA
04769880017272042666798.jpg
Stilpnomelane Outcrop at Blanchard Hill

Blanchard Hill, Skagit County, Washington, USA
00863720017272042679326.jpg
Stilpnomelane Outcrop at Blanchard Hill

Blanchard Hill, Skagit County, Washington, USA
00023410017272043352800.jpg
Blanchard Hill stilpnomelane outcrop

Blanchard Hill, Skagit County, Washington, USA
00055640017272042696238.jpg
Stilpnomelane Outcrop at Blanchard Hill

Blanchard Hill, Skagit County, Washington, USA
03533480017272042697756.jpg
Stilpnomelane Outcrop at Blanchard Hill

Blanchard Hill, Skagit County, Washington, USA
Latitude & Longitude (WGS84):
48° 36' 46'' North , 122° 23' 39'' West
Latitude & Longitude (decimal):
48.61278,-122.39417
GRN:
N33W59
Type:
Hill
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Alger403 (2011)4.0km
Edison133 (2011)6.7km
Sudden Valley6,441 (2011)12.7km
Geneva2,321 (2011)14.8km
Bay View696 (2011)15.6km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Mount Baker Rock And Gem ClubBellingham, Washington18km
Skagit Rock and Gem ClubMt. Vernon, Washington21km
North Puget Sound Facetors GuildMount Vernon, Washington22km
Abbotsford Rock & Gem ClubAbbotsford, British Columbia47km
Fraser Valley Rock & Gem ClubAldergrove, British Columbia50km
Mindat Locality ID:
17852
Long-form identifier:
mindat:1:2:17852:6
GUID (UUID V4):
0
Other/historical names associated with this locality:
Blanchard Mountain


Located approximately 5-miles south of Bellingham on State Forest Service Road B2000. Stilpnomelane occurs within quartz as spheres up to 1/2" inch across.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


5 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Calcite
Formula: CaCO3
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Siderite
Formula: FeCO3
ⓘ Stilpnomelane
Formula: K4Fe2+48[Si64Al8]O164(OH)52 · nH2O

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
Group 9 - Silicates
ⓘStilpnomelane9.EG.40K4Fe2+48[Si64Al8]O164(OH)52 · nH2O

List of minerals for each chemical element

HHydrogen
Hⓘ StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
CCarbon
Cⓘ CalciteCaCO3
Cⓘ SideriteFeCO3
OOxygen
Oⓘ CalciteCaCO3
Oⓘ QuartzSiO2
Oⓘ SideriteFeCO3
Oⓘ StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
AlAluminium
Alⓘ StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
SiSilicon
Siⓘ QuartzSiO2
Siⓘ StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
SSulfur
Sⓘ PyriteFeS2
KPotassium
Kⓘ StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
CaCalcium
Caⓘ CalciteCaCO3
FeIron
Feⓘ PyriteFeS2
Feⓘ SideriteFeCO3
Feⓘ StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O

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

Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.
Goebel, Lorna (1996) Stilpnomelane in Skagit County, Washington. Micro Probe Vol. 8 (3). Northwest Micro Mineral Study Group p.2-5.
Mustoe, G.E. (1998) Stilpnomelane at Blanchard Mountain, Western Skagit County, Washington. Washington Geology Vol. 26 (4)
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