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Aguanga Mountain, Oak Grove, Aguanga Mountain Mining District (Smith Mountain Mining District), San Diego County, California, USAi
Regional Level Types
Aguanga MountainMountain
Oak Grove- not defined -
Aguanga Mountain Mining District (Smith Mountain Mining District)Mining District
San Diego CountyCounty
CaliforniaState
USACountry

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Key
Latitude & Longitude (WGS84):
33° 20' 18'' North , 116° 47' 4'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Aguanga1,128 (2011)13.8km
Anza3,014 (2011)26.2km
Valley Center9,277 (2011)26.8km
Hidden Trails750 (2008)31.3km
San Pasqual2,041 (2018)31.6km


A gem pegmatite occurrence located near Oak Grove.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

15 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Albite var: Cleavelandite
Formula: Na(AlSi3O8)
Reference: Tucker, W. B. and Reed, C. H. (1939) Los Angeles Field District, Mineral Resources of San Diego County - Gems. California Journal of Mines and Geology. Quarterly Chapter of State Mineralogist's Report 35, January, 1939, No. 1. State of California, Department of Natural Resources, Division of Mines: Page 40.
'Albite-Anorthite Series'
Reference: Weber, F. H. 1963. Geology and mineral resources of San Diego County, California. California Division of Mines and Geology, County Report 3: p 107, illus., maps.
Beryl
Formula: Be3Al2(Si6O18)
Beryl var: Aquamarine
Formula: Be3Al2Si6O18
Reference: San Diego Mining Company (1998) Cordova, E. M., Ritchie, S. L., Polk, M. T.; Emeralite No. 2 (Ware) mine surface and U/G field analysis: March.
Beryl var: Goshenite
Formula: Be3Al2(Si6O18)
Reference: Tucker, W. B. and Reed, C. H. (1939) Los Angeles Field District, Mineral Resources of San Diego County - Gems. California Journal of Mines and Geology. Quarterly Chapter of State Mineralogist's Report 35, January, 1939, No. 1. State of California, Department of Natural Resources, Division of Mines: Page 40.
Beryl var: Heliodor
Formula: Be3Al2(Si6O18)
Description: Reported as 'golden beryl'.
Reference: Ware, J. W. (1935), Gem Mining in San Diego Co., California: Precious Blue Topaz; Gems & Gemology, Vol. I, No. 8, March-April, pages 218-219; 240pp.
Beryl var: Morganite
Formula: Be3Al2(Si6O18)
Columbite-(Fe)
Formula: Fe2+Nb2O6
Reference: Van King
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Fluorapatite
Formula: Ca5(PO4)3F
Fluorite ?
Formula: CaF2
Description: Unable to confirm during modern field observations, possibly misidentified topaz.
Reference: Merrill, F. J. H. 1914. Geology and Mineral Resources of San Diego and Imperial Counties: Gems. California State Mining Bureau, San Francisco, Cal. California State Printing Office. Chapter 1, pages 72-73.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Weber, F. H. 1963. Geology and mineral resources of San Diego County, California. California Division of Mines and Geology, County Report 3: p 107, illus., maps.
'Indicolite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
'Lepidolite'
'Mariposite'
Formula: K(Al,Cr)2(Al,Si)4O10(OH)2
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 256.
Microcline
Formula: K(AlSi3O8)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var: Phengite
Formula: KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 256.
Opal
Formula: SiO2 · nH2O
Description: Hyalite was observed to be coating quartz and feldspar crystals on the walls of a small vug discovered in the early 1990's by D. Bernstein of Century City.
Reference: Cordova, E. M. 2009. Personal communication with S. L. Ritchie, SDMC, Feb.
Opal var: Opal-AN
Formula: SiO2 · nH2O
Description: Hyalite was observed to be coating quartz and feldspar crystals on the walls of a small vug discovered in the early 1990's by D. Bernstein of Century City.
Reference: Cordova, E. M. 2009. Personal communication with S. L. Ritchie, SDMC, Feb.
Orthoclase
Formula: K(AlSi3O8)
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Clarke, F.W. (1910), Analyses of rocks and minerals from the laboratory of the United States Geological Survey, 1880-1908; USGS Bulletin 419: 273; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 295.
Quartz
Formula: SiO2
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: Slak, G. 2008. Personal collection and description. Mindat.org.
Topaz
Formula: Al2(SiO4)(F,OH)2
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
'Tourmaline var: Achroite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Ware, J. W. (1935), Gem Mining in San Diego Co., California: Precious Blue Topaz; Gems & Gemology, Vol. I, No. 8, March-April, pages 218-219; 240pp.
'Tourmaline var: Rubellite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
'Tourmaline var: Verdelite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Ware, J. W. (1935) Gem Mining in San Diego Co., California: Precious Blue Topaz; Gems & Gemology, Vol. I, No. 8, March-April, pages 218-219; 240pp.

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
Fluorite ?3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Columbite-(Fe)4.DB.35Fe2+Nb2O6
Opal4.DA.10SiO2 · nH2O
var: Opal-AN4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
var: Cleavelandite9.FA.35Na(AlSi3O8)
Beryl9.CJ.05Be3Al2(Si6O18)
var: Aquamarine9.CJ.05Be3Al2Si6O18
var: Goshenite9.CJ.05Be3Al2(Si6O18)
var: Heliodor9.CJ.05Be3Al2(Si6O18)
var: Morganite9.CJ.05Be3Al2(Si6O18)
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Phengite9.EC.15KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Orthoclase9.FA.30K(AlSi3O8)
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Topaz9.AF.35Al2(SiO4)(F,OH)2
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Garnet Group'-X3Z2(SiO4)3
'Indicolite'-A(D3)G6(T6O18)(BO3)3X3Z
'Lepidolite'-
'Mariposite'-K(Al,Cr)2(Al,Si)4O10(OH)2
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z
'var: Achroite'-A(D3)G6(T6O18)(BO3)3X3Z
'var: Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
'var: Verdelite'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
AB2O6
Columbite-(Fe)8.3.2.2Fe2+Nb2O6
Group 9 - NORMAL HALIDES
AX2
Fluorite ?9.2.1.1CaF2
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
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
Spessartine51.4.3a.3Mn2+3Al2(SiO4)3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
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 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Orthoclase76.1.1.1K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Albite
var: Cleavelandite
-Na(AlSi3O8)
'Albite-Anorthite Series'-
Beryl
var: Aquamarine
-Be3Al2Si6O18
var: Goshenite-Be3Al2(Si6O18)
var: Heliodor-Be3Al2(Si6O18)
var: Morganite-Be3Al2(Si6O18)
'Garnet Group'-X3Z2(SiO4)3
'Indicolite'-A(D3)G6(T6O18)(BO3)3X3Z
'Lepidolite'-
'Mariposite'-K(Al,Cr)2(Al,Si)4O10(OH)2
Muscovite
var: Phengite
-KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Opal
var: Opal-AN
-SiO2 · nH2O
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z
'var: Achroite'-A(D3)G6(T6O18)(BO3)3X3Z
'var: Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
'var: Verdelite'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H TopazAl2(SiO4)(F,OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H Opal (var: Opal-AN)SiO2 · nH2O
H MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
H PrehniteCa2Al2Si3O10(OH)2
H OpalSiO2 · nH2O
H Muscovite (var: Phengite)KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
LiLithium
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Be Beryl (var: Aquamarine)Be3Al2Si6O18
Be BerylBe3Al2(Si6O18)
Be Beryl (var: Goshenite)Be3Al2(Si6O18)
Be Beryl (var: Morganite)Be3Al2(Si6O18)
Be Beryl (var: Heliodor)Be3Al2(Si6O18)
BBoron
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B IndicoliteA(D3)G6(T6O18)(BO3)3X3Z
B Tourmaline (var: Verdelite)A(D3)G6(T6O18)(BO3)3X3Z
B Tourmaline (var: Rubellite)A(D3)G6(T6O18)(BO3)3X3Z
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
B Tourmaline (var: Achroite)A(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O Beryl (var: Aquamarine)Be3Al2Si6O18
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O TopazAl2(SiO4)(F,OH)2
O QuartzSiO2
O MicroclineK(AlSi3O8)
O AlbiteNa(AlSi3O8)
O FluorapatiteCa5(PO4)3F
O IndicoliteA(D3)G6(T6O18)(BO3)3X3Z
O BerylBe3Al2(Si6O18)
O Tourmaline (var: Verdelite)A(D3)G6(T6O18)(BO3)3X3Z
O Tourmaline (var: Rubellite)A(D3)G6(T6O18)(BO3)3X3Z
O Beryl (var: Goshenite)Be3Al2(Si6O18)
O Beryl (var: Morganite)Be3Al2(Si6O18)
O Albite (var: Cleavelandite)Na(AlSi3O8)
O OrthoclaseK(AlSi3O8)
O Columbite-(Fe)Fe2+Nb2O6
O MuscoviteKAl2(AlSi3O10)(OH)2
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O Garnet GroupX3Z2(SiO4)3
O SpessartineMn32+Al2(SiO4)3
O Opal (var: Opal-AN)SiO2 · nH2O
O MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
O PrehniteCa2Al2Si3O10(OH)2
O Tourmaline (var: Achroite)A(D3)G6(T6O18)(BO3)3X3Z
O Beryl (var: Heliodor)Be3Al2(Si6O18)
O OpalSiO2 · nH2O
O Muscovite (var: Phengite)KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
FFluorine
F TopazAl2(SiO4)(F,OH)2
F FluorapatiteCa5(PO4)3F
F FluoriteCaF2
NaSodium
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Na AlbiteNa(AlSi3O8)
Na Albite (var: Cleavelandite)Na(AlSi3O8)
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg Muscovite (var: Phengite)KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
AlAluminium
Al Beryl (var: Aquamarine)Be3Al2Si6O18
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al TopazAl2(SiO4)(F,OH)2
Al MicroclineK(AlSi3O8)
Al AlbiteNa(AlSi3O8)
Al BerylBe3Al2(Si6O18)
Al Beryl (var: Goshenite)Be3Al2(Si6O18)
Al Beryl (var: Morganite)Be3Al2(Si6O18)
Al Albite (var: Cleavelandite)Na(AlSi3O8)
Al OrthoclaseK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al SpessartineMn32+Al2(SiO4)3
Al MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
Al PrehniteCa2Al2Si3O10(OH)2
Al Beryl (var: Heliodor)Be3Al2(Si6O18)
Al Muscovite (var: Phengite)KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
SiSilicon
Si Beryl (var: Aquamarine)Be3Al2Si6O18
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si TopazAl2(SiO4)(F,OH)2
Si QuartzSiO2
Si MicroclineK(AlSi3O8)
Si AlbiteNa(AlSi3O8)
Si BerylBe3Al2(Si6O18)
Si Beryl (var: Goshenite)Be3Al2(Si6O18)
Si Beryl (var: Morganite)Be3Al2(Si6O18)
Si Albite (var: Cleavelandite)Na(AlSi3O8)
Si OrthoclaseK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si Garnet GroupX3Z2(SiO4)3
Si SpessartineMn32+Al2(SiO4)3
Si Opal (var: Opal-AN)SiO2 · nH2O
Si MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
Si PrehniteCa2Al2Si3O10(OH)2
Si Beryl (var: Heliodor)Be3Al2(Si6O18)
Si OpalSiO2 · nH2O
Si Muscovite (var: Phengite)KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
PPhosphorus
P FluorapatiteCa5(PO4)3F
KPotassium
K MicroclineK(AlSi3O8)
K OrthoclaseK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
K MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
K Muscovite (var: Phengite)KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
CaCalcium
Ca FluorapatiteCa5(PO4)3F
Ca PrehniteCa2Al2Si3O10(OH)2
Ca FluoriteCaF2
CrChromium
Cr MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
MnManganese
Mn SpessartineMn32+Al2(SiO4)3
FeIron
Fe Columbite-(Fe)Fe2+Nb2O6
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe Muscovite (var: Phengite)KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
NbNiobium
Nb Columbite-(Fe)Fe2+Nb2O6

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Kunz, George Frederick (1905a), Gems, jewelers’ materials, and ornamental stones of California: California Division Mines Bulletin 37, 171 pp.: 49, 100.
Sterrett, Douglas Bovard (1916), Gems and precious stones: Mineral Resources U.S., 1914, part 2: 327.
Stevens, Rollin Elbert (1938), New analyses of lepidolites and their interpretation: American Mineralogist: 23: 617.
Snyder, Doris (1962), Blue Topaz from San Diego County: Gems & Minerals, No. 297: 32, June, 1962.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 103, 242, 256, 368.

Localities in this Region

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Pacific PlateTectonic Plate

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