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Trail Mine, Mesa Grande, Mesa Grande Mining District, San Diego County, California, USAi
Regional Level Types
Trail MineMine
Mesa Grande- not defined -
Mesa Grande Mining DistrictMining District
San Diego CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
33° 12' 55'' North , 116° 49' 20'' West
Latitude & Longitude (decimal):
33.21528,-116.82222
GeoHash:
G#: 9muuvwsth
GRN:
N23W70
Type:
Mine
Köppen climate type:
Csa : Hot-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
San Pasqual2,041 (2018)18.4km
Valley Center9,277 (2011)19.7km
Ramona20,292 (2011)19.8km
Hidden Trails750 (2008)20.5km
San Diego Country Estates10,109 (2011)23.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Palomar Gem & Mineral ClubEscondido, California27km
Vista Gem & Mineral SocietyVista, California39km
Borrego Rock and Gem ClubBorrego Springs, California42km
Fallbrook Gem and Mineral Society, Inc.Fallbrook, California44km
El Cajon Valley Gem & Mineral SocietyEl Cajon, California49km
Mindat Locality ID:
91626
Long-form identifier:
mindat:1:2:91626:3
GUID (UUID V4):
0


A pegmatite (semiprecious gemstone) mine located 6.3 km (3.9 miles) NW of Mesa Grande.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ Beryl var. Goshenite
Formula: Be3Al2(Si6O18)
ⓘ Beryl var. Morganite
Formula: Be3Al2(Si6O18)
ⓘ Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ 'Feldspar Group'
ⓘ 'Lepidolite'
ⓘ 'Mica Group'
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Quartz
Formula: SiO2
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ 'Tourmaline var. Indicolite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
ⓘ 'Tourmaline var. Verdelite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘvar. Morganite9.CJ.05Be3Al2(Si6O18)
ⓘvar. Goshenite9.CJ.05Be3Al2(Si6O18)
ⓘElbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Feldspar Group'-
ⓘ'Tourmaline
var. Indicolite'		-A(D3)G6(T6O18)(BO3)3X3Z
ⓘ'Lepidolite'-
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'var. Verdelite'-A(D3)G6(T6O18)(BO3)3X3Z
ⓘ'Mica Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
LiLithium
Liⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
Beⓘ Beryl var. MorganiteBe3Al2(Si6O18)
Beⓘ Beryl var. GosheniteBe3Al2(Si6O18)
BBoron
Bⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ Tourmaline var. IndicoliteA(D3)G6(T6O18)(BO3)3X3Z
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Bⓘ Tourmaline var. VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ Tourmaline var. IndicoliteA(D3)G6(T6O18)(BO3)3X3Z
Oⓘ Beryl var. MorganiteBe3Al2(Si6O18)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ Tourmaline var. VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
Oⓘ Beryl var. GosheniteBe3Al2(Si6O18)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ Beryl var. MorganiteBe3Al2(Si6O18)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ Beryl var. GosheniteBe3Al2(Si6O18)
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Beryl var. MorganiteBe3Al2(Si6O18)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Beryl var. GosheniteBe3Al2(Si6O18)
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
FeIron
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America Plate
Pacific PlateTectonic Plate

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.

References

Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology p.113
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
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