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Red Dwarf corundum deposit, Graham Ranch, Granite Mts, Fremont Co., Wyoming, USAi
Regional Level Types
Red Dwarf corundum depositDeposit
Graham RanchRanch
Granite MtsMountain Range
Fremont Co.County
WyomingState
USACountry

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Key
Latitude & Longitude (WGS84):
42° North , 107° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Locality type:


A deposit located about 10 miles NW of Jeffrey City in the NE¼ sec. 13, & sec. 24, T. 30 N., R. 93 W.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


2 valid minerals.

Detailed Mineral List:

Corundum
Formula: Al2O3
Description: Pale red to purple-red with green reaction rims, including some gem quality specimens in Precambrian mica schist & associated with pale blue corundum [sapphire] in serpentinite) and nephrite jade.
Reference: Rocks & Minerals 76:386
Corundum var: Ruby
Formula: Al2O3
Reference: Rocks & Minerals 77:5 pp334-339
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Rocks & Minerals 77:5 pp334-339
Muscovite var: Fuchsite
Formula: K(Al,Cr)3Si3O10(OH)2
Reference: Rocks & Minerals 77:5 pp334-339

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Corundum4.CB.05Al2O3
var: Ruby4.CB.05Al2O3
Group 9 - Silicates
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Fuchsite9.EC.15K(Al,Cr)3Si3O10(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Mixtures, etc.
Corundum
var: Ruby
-Al2O3
Muscovite
var: Fuchsite
-K(Al,Cr)3Si3O10(OH)2

List of minerals for each chemical element

HHydrogen
H Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
O CorundumAl2O3
O Corundum (var: Ruby)Al2O3
O Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
AlAluminium
Al CorundumAl2O3
Al Corundum (var: Ruby)Al2O3
Al Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
KPotassium
K Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CrChromium
Cr Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Rocks & Minerals (2001): 76: 386.

External Links


Other Regions, Features and Areas containg this locality

North America PlateTectonic Plate

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