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Folsom, Folsom Mining District, Sacramento County, California, USAi
Regional Level Types
Folsom- not defined -
Folsom Mining DistrictMining District
Sacramento CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
38° 40' 41'' North , 121° 10' 30'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Folsom76,375 (2017)0.1km
Orangevale33,960 (2011)4.4km
El Dorado Hills42,108 (2011)8.1km
Gold River7,912 (2011)8.5km
Fair Oaks30,912 (2011)9.2km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Roseville Rock RollersRoseville, California13km
Fossils for Fun Society, Inc.North Highlands, California17km
Sacramento Valley Detecting BuffsNorth Highlands, California17km
Sacramento Mineral SocietySacramento, California30km
El Dorado County Mineral and Gem SocietyPlacerville, California33km
Mindat Locality ID:
215844
Long-form identifier:
mindat:1:2:215844:3
GUID (UUID V4):
caaf40b2-21df-4278-b42b-229bb593749f


A populated place (city).

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

10 valid minerals.

Detailed Mineral List:

β“˜ Chromite
Formula: Fe2+Cr3+2O4
β“˜ Erlichmanite
Formula: OsS2
β“˜ Gold
Formula: Au
Localities: Reported from at least 7 localities in this region.
Description: Placer material.
β“˜ Irarsite
Formula: (Ir,Ru,Rh,Pt)AsS
β“˜ Iridium
Formula: (Ir,Os,Ru)
β“˜ Iridium var. Osmiridium
Formula: (Ir,Os,Ru)
β“˜ Iridium var. Ruthenosmiridium
Formula: (Ir,Os,Ru)
β“˜ 'Iron-Platinum alloy'
Formula: (Pt,Fe)
β“˜ Osmium
Formula: (Os,Ir,Ru)
β“˜ Osmium var. Iridosmine
Formula: (Os,Ir)
β“˜ Platinum
Formula: Pt
Description: Placer material.
β“˜ Quartz
Formula: SiO2
Description: Fine quality.
β“˜ Quartz var. Rock Crystal
Formula: SiO2
Description: Fine quality.
β“˜ Rutheniridosmine
Formula: (Ir,Os,Ru)
β“˜ Sperrylite
Formula: PtAs2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Gold1.AA.05Au
β“˜Osmium1.AF.05(Os,Ir,Ru)
β“˜Rutheniridosmine1.AF.05(Ir,Os,Ru)
β“˜Osmium
var. Iridosmine
1.AF.05(Os,Ir)
β“˜Iridium1.AF.10(Ir,Os,Ru)
β“˜Platinum1.AF.10Pt
β“˜Iridium
var. Ruthenosmiridium
1.AF.10(Ir,Os,Ru)
β“˜var. Osmiridium1.AF.10(Ir,Os,Ru)
Group 2 - Sulphides and Sulfosalts
β“˜Erlichmanite2.EB.05aOsS2
β“˜Sperrylite2.EB.05aPtAs2
β“˜Irarsite2.EB.25(Ir,Ru,Rh,Pt)AsS
Group 4 - Oxides and Hydroxides
β“˜Chromite4.BB.05Fe2+Cr3+2O4
β“˜Quartz4.DA.05SiO2
β“˜var. Rock Crystal4.DA.05SiO2
Unclassified
β“˜'Iron-Platinum alloy'-(Pt,Fe)

List of minerals for each chemical element

OOxygen
Oβ“˜ ChromiteFe2+Cr23+O4
Oβ“˜ QuartzSiO2
Oβ“˜ Quartz var. Rock CrystalSiO2
SiSilicon
Siβ“˜ QuartzSiO2
Siβ“˜ Quartz var. Rock CrystalSiO2
SSulfur
Sβ“˜ ErlichmaniteOsS2
Sβ“˜ Irarsite(Ir,Ru,Rh,Pt)AsS
CrChromium
Crβ“˜ ChromiteFe2+Cr23+O4
FeIron
Feβ“˜ ChromiteFe2+Cr23+O4
Feβ“˜ Iron-Platinum alloy(Pt,Fe)
AsArsenic
Asβ“˜ Irarsite(Ir,Ru,Rh,Pt)AsS
Asβ“˜ SperrylitePtAs2
RuRuthenium
Ruβ“˜ Irarsite(Ir,Ru,Rh,Pt)AsS
Ruβ“˜ Iridium(Ir,Os,Ru)
Ruβ“˜ Osmium(Os,Ir,Ru)
Ruβ“˜ Rutheniridosmine(Ir,Os,Ru)
Ruβ“˜ Iridium var. Ruthenosmiridium(Ir,Os,Ru)
Ruβ“˜ Iridium var. Osmiridium(Ir,Os,Ru)
RhRhodium
Rhβ“˜ Irarsite(Ir,Ru,Rh,Pt)AsS
OsOsmium
Osβ“˜ ErlichmaniteOsS2
Osβ“˜ Iridium(Ir,Os,Ru)
Osβ“˜ Osmium(Os,Ir,Ru)
Osβ“˜ Rutheniridosmine(Ir,Os,Ru)
Osβ“˜ Iridium var. Ruthenosmiridium(Ir,Os,Ru)
Osβ“˜ Iridium var. Osmiridium(Ir,Os,Ru)
Osβ“˜ Osmium var. Iridosmine(Os,Ir)
IrIridium
Irβ“˜ Irarsite(Ir,Ru,Rh,Pt)AsS
Irβ“˜ Iridium(Ir,Os,Ru)
Irβ“˜ Osmium(Os,Ir,Ru)
Irβ“˜ Rutheniridosmine(Ir,Os,Ru)
Irβ“˜ Iridium var. Ruthenosmiridium(Ir,Os,Ru)
Irβ“˜ Iridium var. Osmiridium(Ir,Os,Ru)
Irβ“˜ Osmium var. Iridosmine(Os,Ir)
PtPlatinum
Ptβ“˜ Iron-Platinum alloy(Pt,Fe)
Ptβ“˜ Irarsite(Ir,Ru,Rh,Pt)AsS
Ptβ“˜ PlatinumPt
Ptβ“˜ SperrylitePtAs2
AuGold
Auβ“˜ GoldAu

Localities in this Region

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