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Vermiculite Mountain Mine (Libby Vermiculite Mine), Rainy Creek Mining District, Lincoln County, Montana, USAi
Regional Level Types
Vermiculite Mountain Mine (Libby Vermiculite Mine)Mine
Rainy Creek Mining DistrictMining District
Lincoln CountyCounty
MontanaState
USACountry

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Latitude & Longitude (WGS84):
48° 26' 0'' North , 115° 24' 27'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Libby2,645 (2017)12.1km
White Haven577 (2011)12.8km
Pioneer Junction959 (2011)13.6km
Troy877 (2017)35.7km
Happys Inn164 (2011)43.7km
Mindat Locality ID:
166206
Long-form identifier:
mindat:1:2:166206:4
GUID (UUID V4):
0


Commodities (Major) - Vermiculite; (Trace) - Feldspar
Development Status: Producer
Host Rock Unit: Missoula Group
Structure: Northwest Trending Faults And Folds In Rocks Of Belt Supergroup, Northwest Trending Syncline In Wallace Fm. Of Belt Supergroup.
Host Rock: Pyroxenite


According to Sanchez (2008) the vast majority of analyzed amphiboles are winchite or richterite.

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


5 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:

โ“˜ 'Feldspar Group'
โ“˜ Magnesio-fluoro-arfvedsonite
Formula: [Na][Na2][Mg4Fe3+][Si8O22](F,OH)2
โ“˜ Richterite
Formula: Na(NaCa)Mg5(Si8O22)(OH)2
โ“˜ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
โ“˜ Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
โ“˜ Winchite
Formula: ◻{CaNa}{Mg4Al}(Si8O22)(OH)2

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
โ“˜Tremolite9.DE.10โ—ปCa2Mg5(Si8O22)(OH)2
โ“˜Richterite9.DE.20Na(NaCa)Mg5(Si8O22)(OH)2
โ“˜Winchite9.DE.20โ—ป{CaNa}{Mg4Al}(Si8O22)(OH)2
โ“˜Magnesio-fluoro-arfvedsonite9.DE.25[Na][Na2][Mg4Fe3+][Si8O22](F,OH)2
โ“˜Vermiculite9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 ยท 8H2O
Unclassified
โ“˜'Feldspar Group'-

List of minerals for each chemical element

HHydrogen
Hโ“˜ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Hโ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hโ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Hโ“˜ Winchite◻{CaNa}{Mg4Al}(Si8O22)(OH)2
Hโ“˜ Magnesio-fluoro-arfvedsonite[Na][Na2][Mg4Fe3+][Si8O22](F,OH)2
OOxygen
Oโ“˜ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Oโ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oโ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Oโ“˜ Winchite◻{CaNa}{Mg4Al}(Si8O22)(OH)2
Oโ“˜ Magnesio-fluoro-arfvedsonite[Na][Na2][Mg4Fe3+][Si8O22](F,OH)2
FFluorine
Fโ“˜ Magnesio-fluoro-arfvedsonite[Na][Na2][Mg4Fe3+][Si8O22](F,OH)2
NaSodium
Naโ“˜ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Naโ“˜ Winchite◻{CaNa}{Mg4Al}(Si8O22)(OH)2
Naโ“˜ Magnesio-fluoro-arfvedsonite[Na][Na2][Mg4Fe3+][Si8O22](F,OH)2
MgMagnesium
Mgโ“˜ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Mgโ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mgโ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Mgโ“˜ Winchite◻{CaNa}{Mg4Al}(Si8O22)(OH)2
Mgโ“˜ Magnesio-fluoro-arfvedsonite[Na][Na2][Mg4Fe3+][Si8O22](F,OH)2
AlAluminium
Alโ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Alโ“˜ Winchite◻{CaNa}{Mg4Al}(Si8O22)(OH)2
SiSilicon
Siโ“˜ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Siโ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siโ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Siโ“˜ Winchite◻{CaNa}{Mg4Al}(Si8O22)(OH)2
Siโ“˜ Magnesio-fluoro-arfvedsonite[Na][Na2][Mg4Fe3+][Si8O22](F,OH)2
CaCalcium
Caโ“˜ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Caโ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caโ“˜ Winchite◻{CaNa}{Mg4Al}(Si8O22)(OH)2
FeIron
Feโ“˜ VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Feโ“˜ Magnesio-fluoro-arfvedsonite[Na][Na2][Mg4Fe3+][Si8O22](F,OH)2

Other Databases

Link to USGS MRDS:10070453

Other Regions, Features and Areas containing this locality


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