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!
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Silverton Mining District, Snohomish County, Washington, USAi
Regional Level Types
Silverton Mining DistrictMining District
Snohomish CountyCounty
WashingtonState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearchMineralogy
Largest Settlements:
PlacePopulation
Verlot285 (2015)
Mindat Locality ID:
30004
Long-form identifier:
mindat:1:2:30004:6
GUID (UUID V4):
0
Other/historical names associated with this locality:
Stillaguamish Mining District


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

22 valid minerals.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Alunite
Formula: KAl3(SO4)2(OH)6
Arsenopyrite
Formula: FeAsS
Localities: Reported from at least 10 localities in this region.
'Asbestos'
Bismuthinite
Formula: Bi2S3
Bornite
Formula: Cu5FeS4
Calcite
Formula: CaCO3
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 34 localities in this region.
'Chlorite Group'
Cosalite
Formula: Pb2Bi2S5
Habit: plumose
Galena
Formula: PbS
Localities: Reported from at least 15 localities in this region.
Marcasite
Formula: FeS2
Molybdenite
Formula: MoS2
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Native Mercury
Formula: Hg
Padĕraite
Formula: Cu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22
Pyrite
Formula: FeS2
Localities: Reported from at least 23 localities in this region.
Pyrrhotite
Formula: Fe1-xS
Localities: Reported from at least 9 localities in this region.
Quartz
Formula: SiO2
Localities: Reported from at least 15 localities in this region.
Realgar
Formula: As4S4
Scheelite
Formula: Ca(WO4)
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Sphalerite
Formula: ZnS
Stannite
Formula: Cu2FeSnS4
Sylvanite
Formula: AgAuTe4
Talc
Formula: Mg3Si4O10(OH)2
'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
Localities: Reported from at least 6 localities in this region.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Mercury1.AD.05Hg
Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Stannite2.CB.15aCu2FeSnS4
Pyrrhotite2.CC.10Fe1-xS
Galena2.CD.10PbS
Bismuthinite2.DB.05Bi2S3
Sylvanite2.EA.05AgAuTe4
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Marcasite2.EB.10aFeS2
Arsenopyrite2.EB.20FeAsS
Realgar2.FA.15aAs4S4
'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Padĕraite2.JA.10eCu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22
Cosalite2.JB.10Pb2Bi2S5
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Alunite7.BC.10KAl3(SO4)2(OH)6
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Talc9.EC.05Mg3Si4O10(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
'Asbestos'-
'Chlorite Group'-
'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
H AluniteKAl3(SO4)2(OH)6
H MuscoviteKAl2(AlSi3O10)(OH)2
H TalcMg3Si4O10(OH)2
H Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
C CalciteCaCO3
OOxygen
O AluniteKAl3(SO4)2(OH)6
O CalciteCaCO3
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O ScheeliteCa(WO4)
O TalcMg3Si4O10(OH)2
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
O Serpentine SubgroupD3[Si2O5](OH)4
MgMagnesium
Mg TalcMg3Si4O10(OH)2
AlAluminium
Al AluniteKAl3(SO4)2(OH)6
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si TalcMg3Si4O10(OH)2
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Si Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
S AluniteKAl3(SO4)2(OH)6
S ArsenopyriteFeAsS
S BismuthiniteBi2S3
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
S CosalitePb2Bi2S5
S GalenaPbS
S MarcasiteFeS2
S MolybdeniteMoS2
S PadĕraiteCu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22
S PyriteFeS2
S PyrrhotiteFe1-xS
S RealgarAs4S4
S SphaleriteZnS
S StanniteCu2FeSnS4
S Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
KPotassium
K AluniteKAl3(SO4)2(OH)6
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca CalciteCaCO3
Ca ScheeliteCa(WO4)
FeIron
Fe ArsenopyriteFeAsS
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe MarcasiteFeS2
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
Fe StanniteCu2FeSnS4
CuCopper
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
Cu PadĕraiteCu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22
Cu StanniteCu2FeSnS4
Cu Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As RealgarAs4S4
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag PadĕraiteCu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22
Ag SylvaniteAgAuTe4
SnTin
Sn StanniteCu2FeSnS4
SbAntimony
Sb Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
TeTellurium
Te SylvaniteAgAuTe4
WTungsten
W ScheeliteCa(WO4)
AuGold
Au SylvaniteAgAuTe4
HgMercury
Hg Native MercuryHg
PbLead
Pb CosalitePb2Bi2S5
Pb GalenaPbS
Pb PadĕraiteCu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22
BiBismuth
Bi BismuthiniteBi2S3
Bi CosalitePb2Bi2S5
Bi PadĕraiteCu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Localities in this Region

Other Regions, Features and Areas that Intersect

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: September 3, 2026 08:22:21 Page updated: July 25, 2026 17:29:17
Go to top of page