Villa Grove Turquoise Mine (Hall Turquoise Mine; Villa Grove Mine; Turquoise Lode and Turquoise Blue Lode claims), Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache Co., Colorado, USAi
This page is currently not sponsored. Click here to sponsor this page.

Key
Latitude & Longitude (WGS84):
38° 17' 54'' North , 106° 3' 11'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Poncha Springs | 777 (2017) | 23.9km |
Saguache | 480 (2017) | 24.7km |
Howard | 723 (2011) | 25.3km |
Salida | 5,467 (2017) | 26.7km |
Coaldale | 255 (2011) | 26.8km |
Commodities (Major) - Gemstone; (Trace) - Molybdenum, Zinc, Lead, Copper
Development Status: Past Producer
Host Rock Unit: Rawley Andesite
Structure: Sawatch Range, San Juan Volcanic Field, Rio Grande Rift, Bonanza Caldera
Host Rock: Gabbro
Tectonic Structure: Central Cordillera (Southern Rocky Mtns.)
Located near Villa Grove.
Select Mineral List Type
Standard Detailed Strunz Dana Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
10 valid minerals.
Rock Types Recorded
Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
ⓘ Alunite Formula: KAl3(SO4)2(OH)6 Reference: Minerals of Colorado (1997) Eckels, E. B. |
ⓘ 'Clays' Reference: Minerals of Colorado (1997) Eckel, E. B. |
ⓘ 'Halloysite' Formula: Al2(Si2O5)(OH)4 Reference: Minerals of Colorado (1997) Eckel, E. B. |
ⓘ Hematite Formula: Fe2O3 Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
ⓘ Hydrobiotite Formula: K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O Reference: Minerals of Colorado (1997) E.B. Eckel |
ⓘ Kaolinite Formula: Al2(Si2O5)(OH)4 Reference: Minerals of Colorado (1997) E.B. Eckel |
ⓘ Magnetite Formula: Fe2+Fe3+2O4 Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
ⓘ Montmorillonite Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O Reference: Minerals of Colorado (1997) E.B. Eckel |
ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 Reference: Minerals of Colorado (1997) E.B. Eckels |
ⓘ Muscovite var: Illite Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2 Reference: Minerals of Colorado (1997) E.B. Eckel |
ⓘ Muscovite var: Sericite Formula: KAl2(AlSi3O10)(OH)2 Reference: Minerals of Colorado (1997) E.B. Eckel |
ⓘ Pyrite Formula: FeS2 Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
ⓘ Turquoise Formula: Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O 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: 950; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Economic Geology; May 1941; v. 36; no. 3; p. 335-344 |
ⓘ Wavellite Formula: Al3(PO4)2(OH,F)3 · 5H2O Reference: Minerals of Colorado (1997) Eckel, E. B. |
List of minerals arranged by Strunz 10th Edition classification
Group 2 - Sulphides and Sulfosalts | |||
---|---|---|---|
ⓘ | Pyrite | 2.EB.05a | FeS2 |
Group 4 - Oxides and Hydroxides | |||
ⓘ | Hematite | 4.CB.05 | Fe2O3 |
ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
ⓘ | Alunite | 7.BC.10 | KAl3(SO4)2(OH)6 |
Group 8 - Phosphates, Arsenates and Vanadates | |||
ⓘ | Turquoise | 8.DD.15 | Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O |
ⓘ | Wavellite | 8.DC.50 | Al3(PO4)2(OH,F)3 · 5H2O |
Group 9 - Silicates | |||
ⓘ | 'Halloysite' | 9.ED.10 | Al2(Si2O5)(OH)4 |
ⓘ | Hydrobiotite | 9.EC.60 | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
ⓘ | Kaolinite | 9.ED.05 | Al2(Si2O5)(OH)4 |
ⓘ | Montmorillonite | 9.EC.40 | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
ⓘ | var: Illite | 9.EC.15 | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
ⓘ | var: Sericite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
Unclassified Minerals, Rocks, etc. | |||
ⓘ | 'Clays' | - |
List of minerals arranged by Dana 8th Edition classification
Group 2 - SULFIDES | |||
---|---|---|---|
AmBnXp, with (m+n):p = 1:2 | |||
ⓘ | Pyrite | 2.12.1.1 | FeS2 |
Group 4 - SIMPLE OXIDES | |||
A2X3 | |||
ⓘ | Hematite | 4.3.1.2 | Fe2O3 |
Group 7 - MULTIPLE OXIDES | |||
AB2X4 | |||
ⓘ | Magnetite | 7.2.2.3 | Fe2+Fe3+2O4 |
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN | |||
(AB)2(XO4)Zq | |||
ⓘ | Alunite | 30.2.4.1 | KAl3(SO4)2(OH)6 |
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN | |||
(AB)7(XO4)4Zq·xH2O | |||
ⓘ | Turquoise | 42.9.3.1 | Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O |
A3(XO4)2Zq·xH2O | |||
ⓘ | Wavellite | 42.10.2.1 | Al3(PO4)2(OH,F)3 · 5H2O |
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings | |||
Sheets of 6-membered rings with 1:1 layers | |||
ⓘ | 'Halloysite' | 71.1.1.4 | Al2(Si2O5)(OH)4 |
Sheets of 6-membered rings with 2:1 layers | |||
ⓘ | Hydrobiotite | 71.2.2d.1 | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
ⓘ | Muscovite | 71.2.2a.1 | KAl2(AlSi3O10)(OH)2 |
ⓘ | var: Illite | 71.2.2d.2 | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
Sheets of 6-membered rings with 2:1 clays | |||
ⓘ | Montmorillonite | 71.3.1a.2 | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Unclassified Minerals, Mixtures, etc. | |||
ⓘ | 'Clays' | - | |
ⓘ | Kaolinite | - | Al2(Si2O5)(OH)4 |
ⓘ | Muscovite var: Sericite | - | KAl2(AlSi3O10)(OH)2 |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | ⓘ Turquoise | Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O |
H | ⓘ Alunite | KAl3(SO4)2(OH)6 |
H | ⓘ Wavellite | Al3(PO4)2(OH,F)3 · 5H2O |
H | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
H | ⓘ Hydrobiotite | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
H | ⓘ Muscovite (var: Sericite) | KAl2(AlSi3O10)(OH)2 |
H | ⓘ Muscovite (var: Illite) | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
H | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
H | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
O | Oxygen | |
O | ⓘ Turquoise | Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O |
O | ⓘ Magnetite | Fe2+Fe23+O4 |
O | ⓘ Hematite | Fe2O3 |
O | ⓘ Alunite | KAl3(SO4)2(OH)6 |
O | ⓘ Wavellite | Al3(PO4)2(OH,F)3 · 5H2O |
O | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
O | ⓘ Hydrobiotite | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
O | ⓘ Muscovite (var: Sericite) | KAl2(AlSi3O10)(OH)2 |
O | ⓘ Muscovite (var: Illite) | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
O | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
O | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
F | Fluorine | |
F | ⓘ Wavellite | Al3(PO4)2(OH,F)3 · 5H2O |
Na | Sodium | |
Na | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Mg | Magnesium | |
Mg | ⓘ Hydrobiotite | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
Mg | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Al | Aluminium | |
Al | ⓘ Turquoise | Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O |
Al | ⓘ Alunite | KAl3(SO4)2(OH)6 |
Al | ⓘ Wavellite | Al3(PO4)2(OH,F)3 · 5H2O |
Al | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
Al | ⓘ Hydrobiotite | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
Al | ⓘ Muscovite (var: Sericite) | KAl2(AlSi3O10)(OH)2 |
Al | ⓘ Muscovite (var: Illite) | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
Al | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Al | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
Si | Silicon | |
Si | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
Si | ⓘ Hydrobiotite | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
Si | ⓘ Muscovite (var: Sericite) | KAl2(AlSi3O10)(OH)2 |
Si | ⓘ Muscovite (var: Illite) | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
Si | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Si | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
P | Phosphorus | |
P | ⓘ Turquoise | Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O |
P | ⓘ Wavellite | Al3(PO4)2(OH,F)3 · 5H2O |
S | Sulfur | |
S | ⓘ Pyrite | FeS2 |
S | ⓘ Alunite | KAl3(SO4)2(OH)6 |
K | Potassium | |
K | ⓘ Alunite | KAl3(SO4)2(OH)6 |
K | ⓘ Hydrobiotite | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
K | ⓘ Muscovite (var: Sericite) | KAl2(AlSi3O10)(OH)2 |
K | ⓘ Muscovite (var: Illite) | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
Ca | Calcium | |
Ca | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Fe | Iron | |
Fe | ⓘ Turquoise | Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O |
Fe | ⓘ Pyrite | FeS2 |
Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
Fe | ⓘ Hematite | Fe2O3 |
Fe | ⓘ Hydrobiotite | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
Cu | Copper | |
Cu | ⓘ Turquoise | Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)PATTON, H.B., 1916, GEOLOGY AND ORE DEPOSITS OF THE BONANZA DISTRICT, SAGUACHE COUNTY, COLORADO: USGS PROF. PAPER 169, 166 P.
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: 950.
MAYHEW, J.D., 1969, GEOLOGY OF THE EASTERN PART OF THE BONANZA VOLCANIC FIELD, SAGUACHE COUNTY, COLORADO.
Other Regions, Features and Areas containing this locality
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.
Villa Grove Turquoise Mine, Bonanza Mining District, Saguache Co., Colorado, USA