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Mica Lode Mine (Mica Hill Mine), Eight Mile Park Pegmatite District, Fremont Co., Colorado, USAi
Regional Level Types
Mica Lode Mine (Mica Hill Mine)Mine
Eight Mile Park Pegmatite DistrictMining District
Fremont Co.County
ColoradoState
USACountry

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Key
Lock Map
Latitude & Longitude (WGS84): 38° 28' 43'' North , 105° 18' 8'' West
Latitude & Longitude (decimal): 38.47869,-105.30244
GeoHash:G#: 9wv4guc4e
Locality type:Mine
Köppen climate type:BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Cañon City16,400 (2013)6.7km
Lincoln Park3,546 (2011)9.0km
Brookside246 (2017)11.9km
Williamsburg656 (2017)17.0km
Rockvale498 (2017)17.1km


A mine located in the NE¼ SW¼ sec. 14, T.18S., R.71W.

Mineralization is a zoned, 2,000 foot long and 100 to 650 foot wide pegmatite in quartz-mica schist. Core zone: microcline-quartz pegmatite; intermediate zone: muscovite-quartz-albite pegmatite; wall zone: quartz-microcline-muscovite-biotite pegmatite.

Workings include 4 open cuts and several trenches.

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


25 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 25 (Table A-1).
'Albite-Anorthite Series'
Reference: Pearl, 1958. Colorado Gem Trails & Mineral Guide; USGS Prof. Paper 227
Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: Rocks & Min.: 24:236.
Andradite
Formula: Ca3Fe3+2(SiO4)3
'Apatite'
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 25 (Table A-1).; USGS Prof. Paper 227
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: Pearl, 1958. Colorado Gem Trails & Mineral Guide
Beryl
Formula: Be3Al2(Si6O18)
Reference: "Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 25 (Table A-1).
Beyerite
Formula: Ca(BiO)2(CO3)2
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 282; Pearl, 1958. Colorado Gem Trails & Mineral Guide
'Biotite'
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 25 (Table A-1).; USGS Prof. Paper 227
Bismutite
Formula: (BiO)2CO3
Reference: Pearl, 1958. Colorado Gem Trails & Mineral Guide
Chalcocite ?
Formula: Cu2S
Description: Proved to be djurleite.
Reference: Pearl, 1958. Colorado Gem Trails & Mineral Guide
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: Pearl, 1958. Colorado Gem Trails & Mineral Guide
'Columbite-(Fe)-Columbite-(Mn) Series'
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 25 (Table A-1).; USGS Prof. Paper 227
Columbite-(Mn)
Formula: Mn2+Nb2O6
Reference: Minerals of Colorado (1997) E.B. Eckel
Djurleite
Formula: Cu31S16
Reference: Minerals of Colorado (1997) Eckel, E. B.
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Pearl, 1958. Colorado Gem Trails & Mineral Guide
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Rocks & Min.: 24:236.
Gahnite
Formula: ZnAl2O4
Reference: Minerals of Colorado (1997) Eckel, E. B.
Hematite
Formula: Fe2O3
Reference: Minerals of Colorado (1997) E.B. Eckel
Liandratite
Formula: U(Nb,Ta)2O8
Reference: Gunnar Färber
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Pearl, 1958. Colorado Gem Trails & Mineral Guide; American Mineralogist (1936): 20: 319-333
Microcline
Formula: K(AlSi3O8)
Reference: Pearl, 1958. Colorado Gem Trails & Mineral Guide; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 25 (Table A-1).; USGS Prof. Paper 227
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Pearl, 1958. Colorado Gem Trails & Mineral Guide; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 25 (Table A-1).; Rocks & Min.: 24:236.; USGS Prof. Paper 227
Parsonsite
Formula: Pb2(UO2)(PO4)2
Reference: Minerals of Colorado (1997) Eckel, E. B.
Quartz
Formula: SiO2
Reference: Pearl, 1958. Colorado Gem Trails & Mineral Guide; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 25 (Table A-1).; USGS Prof. Paper 227
Quartz var: Rose Quartz
Formula: SiO2
Reference: Pearl, 1958. Colorado Gem Trails & Mineral Guide
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Pearl, 1958. Colorado Gem Trails & Mineral Guide; Rocks & Min.: 24:236.; USGS Prof. Paper 227
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: Minerals of Colorado (1997) E.B. Eckel; USGS Prof. Paper 227
'Tantalite'
Formula: (Mn,Fe)(Ta,Nb)2O6
Reference: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 25 (Table A-1).; USGS Prof. Paper 227
Triplite
Formula: (Mn2+,Fe2+)2(PO4)(F,OH)
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 852; Pearl, 1958. Colorado Gem Trails & Mineral Guide.; Waldrop, L. (1969). The crystal structure of triplite (Mn, Fe) 2FPO4. Zeitschrift für Kristallographie, 130, 1-14.
Uraninite
Formula: UO2
Reference: Minerals of Colorado (1997) Eckel, E. B.
'Uranpyrochlore (of Hogarth 1977)'
Formula: (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
Reference: Minerals of Colorado (1997) E.B. Eckel
Uvarovite
Formula: Ca3Cr2(SiO4)3
Description: Probably gahnite
Reference: Minerals of Colorado (1997) E.B. Eckels
'Wad'
Reference: Minerals of Colorado (1997) Eckel, E. B.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcocite ?2.BA.05Cu2S
Djurleite2.BA.05Cu31S16
Group 4 - Oxides and Hydroxides
Columbite-(Mn)4.DB.35Mn2+Nb2O6
Gahnite4.BB.05ZnAl2O4
Hematite4.CB.05Fe2O3
Liandratite4.DH.35U(Nb,Ta)2O8
Quartz4.DA.05SiO2
var: Rose Quartz4.DA.05SiO2
Uraninite4.DL.05UO2
'Uranpyrochlore (of Hogarth 1977)'4.DH.15(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Beyerite5.BE.35Ca(BiO)2(CO3)2
Bismutite5.BE.25(BiO)2CO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Parsonsite8.EA.10Pb2(UO2)(PO4)2
Triplite8.BB.10(Mn2+,Fe2+)2(PO4)(F,OH)
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Almandine9.AD.25Fe2+3Al2(SiO4)3
Andradite9.AD.25Ca3Fe3+2(SiO4)3
Beryl9.CJ.05Be3Al2(Si6O18)
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Uvarovite ?9.AD.25Ca3Cr2(SiO4)3
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Apatite'-
'Biotite'-
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
'Wad'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite ?2.4.7.1Cu2S
Djurleite2.4.7.2Cu31S16
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Group 7 - MULTIPLE OXIDES
AB2X4
Gahnite7.2.1.4ZnAl2O4
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
ABO4
Liandratite8.1.9.1U(Nb,Ta)2O8
A2B2O6(O,OH,F)
'Uranpyrochlore (of Hogarth 1977)'8.2.1.7(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
AB2O6
Columbite-(Mn)8.3.2.4Mn2+Nb2O6
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Beyerite16a.2.3.1Ca(BiO)2(CO3)2
Bismutite16a.3.5.1(BiO)2CO3
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Parsonsite40.2a.31.1Pb2(UO2)(PO4)2
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A2(XO4)Zq
Triplite41.6.1.2(Mn2+,Fe2+)2(PO4)(F,OH)
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
Andradite51.4.3b.1Ca3Fe3+2(SiO4)3
Spessartine51.4.3a.3Mn2+3Al2(SiO4)3
Uvarovite ?51.4.3b.3Ca3Cr2(SiO4)3
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with borate groups
Elbaite61.3.1.8Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Apatite'-
'Biotite'-
'Columbite-(Fe)-Columbite-(Mn) Series'-
Quartz
var: Rose Quartz
-SiO2
'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
'Wad'-

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
H Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H MalachiteCu2(CO3)(OH)2
H AzuriteCu3(CO3)2(OH)2
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H ParsonsitePb2(UO2)(PO4)2
H Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
LiLithium
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C BeyeriteCa(BiO)2(CO3)2
C Bismutite(BiO)2CO3
C MalachiteCu2(CO3)(OH)2
C AzuriteCu3(CO3)2(OH)2
OOxygen
O BerylBe3Al2(Si6O18)
O AndraditeCa3Fe23+(SiO4)3
O AlmandineFe32+Al2(SiO4)3
O FluorapatiteCa5(PO4)3F
O MuscoviteKAl2(AlSi3O10)(OH)2
O Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O BeyeriteCa(BiO)2(CO3)2
O QuartzSiO2
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O Bismutite(BiO)2CO3
O MalachiteCu2(CO3)(OH)2
O AzuriteCu3(CO3)2(OH)2
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O Quartz (var: Rose Quartz)SiO2
O MicroclineK(AlSi3O8)
O Tantalite(Mn,Fe)(Ta,Nb)2O6
O AlbiteNa(AlSi3O8)
O UraniniteUO2
O ParsonsitePb2(UO2)(PO4)2
O GahniteZnAl2O4
O Columbite-(Mn)Mn2+Nb2O6
O Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
O HematiteFe2O3
O SpessartineMn32+Al2(SiO4)3
O LiandratiteU(Nb,Ta)2O8
O UvaroviteCa3Cr2(SiO4)3
FFluorine
F FluorapatiteCa5(PO4)3F
F Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
F Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
NaSodium
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Na AlbiteNa(AlSi3O8)
AlAluminium
Al BerylBe3Al2(Si6O18)
Al AlmandineFe32+Al2(SiO4)3
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al MicroclineK(AlSi3O8)
Al AlbiteNa(AlSi3O8)
Al GahniteZnAl2O4
Al SpessartineMn32+Al2(SiO4)3
SiSilicon
Si BerylBe3Al2(Si6O18)
Si AndraditeCa3Fe23+(SiO4)3
Si AlmandineFe32+Al2(SiO4)3
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si QuartzSiO2
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si Quartz (var: Rose Quartz)SiO2
Si MicroclineK(AlSi3O8)
Si AlbiteNa(AlSi3O8)
Si SpessartineMn32+Al2(SiO4)3
Si UvaroviteCa3Cr2(SiO4)3
PPhosphorus
P FluorapatiteCa5(PO4)3F
P Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
P ParsonsitePb2(UO2)(PO4)2
SSulfur
S DjurleiteCu31S16
S ChalcociteCu2S
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K MicroclineK(AlSi3O8)
CaCalcium
Ca AndraditeCa3Fe23+(SiO4)3
Ca FluorapatiteCa5(PO4)3F
Ca BeyeriteCa(BiO)2(CO3)2
Ca Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
Ca UvaroviteCa3Cr2(SiO4)3
TiTitanium
Ti Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
CrChromium
Cr UvaroviteCa3Cr2(SiO4)3
MnManganese
Mn Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
Mn Tantalite(Mn,Fe)(Ta,Nb)2O6
Mn Columbite-(Mn)Mn2+Nb2O6
Mn SpessartineMn32+Al2(SiO4)3
FeIron
Fe AndraditeCa3Fe23+(SiO4)3
Fe AlmandineFe32+Al2(SiO4)3
Fe Triplite(Mn2+,Fe2+)2(PO4)(F,OH)
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe Tantalite(Mn,Fe)(Ta,Nb)2O6
Fe HematiteFe2O3
CuCopper
Cu MalachiteCu2(CO3)(OH)2
Cu AzuriteCu3(CO3)2(OH)2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu DjurleiteCu31S16
Cu ChalcociteCu2S
ZnZinc
Zn GahniteZnAl2O4
NbNiobium
Nb Tantalite(Mn,Fe)(Ta,Nb)2O6
Nb Columbite-(Mn)Mn2+Nb2O6
Nb Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
Nb LiandratiteU(Nb,Ta)2O8
CeCerium
Ce Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
TaTantalum
Ta Tantalite(Mn,Fe)(Ta,Nb)2O6
Ta Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
Ta LiandratiteU(Nb,Ta)2O8
PbLead
Pb ParsonsitePb2(UO2)(PO4)2
BiBismuth
Bi BeyeriteCa(BiO)2(CO3)2
Bi Bismutite(BiO)2CO3
UUranium
U UraniniteUO2
U ParsonsitePb2(UO2)(PO4)2
U Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
U LiandratiteU(Nb,Ta)2O8

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Triassic
201.3 - 251.902 Ma



ID: 3191821
Mesozoic sedimentary rocks

Age: Triassic (201.3 - 251.902 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Paleoproterozoic
1600 - 2500 Ma



ID: 2722013
Felsic and hornblendic gneisses, either separate or interlayered

Age: Proterozoic (1600 - 2500 Ma)

Description: Includes metabasalt, metatuff, and interbedded metagraywacke; locally contains interlayered biotite gneiss. Derived principally from volcanic rocks

Comments: Original map source: Green, G.N., 1992, The Digital Geologic Map of Colorado in ARC/INFO Format: U.S. Geological Survey Open-File Report 92-0507, 9 p., scale 1:500,000.

Lithology: Major:{gneiss}, Minor:{metabasalt,metagraywacke}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Wolf, C.W., Heinrich, E.W. (1947), Triplite Crystals from Colorado, American Mineralogist: 32: 518-526.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 852.
Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 25 (Table A-1).
Eckel, E.B. (1997), Minerals of Colorado, updated & revised: 15; Pearl, 1958. Colorado Gem Trails & Mineral Guide.


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