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East Kramer Borate area (East Kramer Colemanite area), East Kramer Mining District, San Bernardino County, California, USAi
Regional Level Types
East Kramer Borate area (East Kramer Colemanite area)Area
East Kramer Mining DistrictMining District
San Bernardino CountyCounty
CaliforniaState
USACountry

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PhotosMapsSearchMineralogy
02228260017272095083736.jpg
Inderite

Kramer Hills deposit, Kramer Hills [hills], Kramer Hills [town], East Kramer Borate area, East Kramer Mining District, San Bernardino County, California, USA
03548150017428548368437.jpg
Carnotite

Kramer Hills Uranium prospects, Kramer Hills [hills], Kramer Hills [town], East Kramer Borate area, East Kramer Mining District, San Bernardino County, California, USA
02228260017272095083736.jpg
Inderite

Kramer Hills deposit, Kramer Hills [hills], Kramer Hills [town], East Kramer Borate area, East Kramer Mining District, San Bernardino County, California, USA
03548150017428548368437.jpg
Carnotite

Kramer Hills Uranium prospects, Kramer Hills [hills], Kramer Hills [town], East Kramer Borate area, East Kramer Mining District, San Bernardino County, California, USA
04998960017272095088799.jpg
Inderite

Kramer Hills deposit, Kramer Hills [hills], Kramer Hills [town], East Kramer Borate area, East Kramer Mining District, San Bernardino County, California, USA
03548150017428548368437.jpg
Carnotite

Kramer Hills Uranium prospects, Kramer Hills [hills], Kramer Hills [town], East Kramer Borate area, East Kramer Mining District, San Bernardino County, California, USA
Latitude & Longitude:
34° North , 116° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~199km
GRN:
N24W68
Type:
Area
Mindat Locality ID:
215479
Long-form identifier:
mindat:1:2:215479:7
GUID (UUID V4):
0


Borate occurrences located in secs. 29, 30, 31, & 32, T11N, R6W, SBM.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

23 valid minerals. 1 (TL) - type locality of valid minerals.

Rock Types Recorded


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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

โ“˜ Analcime
Formula: Na(AlSi2O6) · H2O
Description: Relatively common in drill cores.
โ“˜ Anorthite
Formula: Ca(Al2Si2O8)
โ“˜ Anorthite var. Labradorite
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
โ“˜ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
โ“˜ Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
โ“˜ Calcite
Formula: CaCO3
โ“˜ Carnotite
Formula: K2(UO2)2(VO4)2 · 3H2O
Colour: Yellow
Description: Occurs as yellow stains.
โ“˜ 'Chlorite Group'
โ“˜ 'Clay minerals'
โ“˜ Colemanite
Formula: Ca[B3O4(OH)3] · H2O
โ“˜ 'Feldspar Group'
โ“˜ Greigite (TL)
Formula: Fe2+Fe3+2S4
Type Locality:
Description: Found in drill cores in lake beds.
โ“˜ 'Heulandite Subgroup'
Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Description: Abundant in drill cores.
โ“˜ Howlite
Formula: Ca2B5SiO9(OH)5
โ“˜ Magnesite
Formula: MgCO3
Description: Occurs as thick beds interstratified with dolomitic clay and bentonite.
โ“˜ Marcasite
Formula: FeS2
โ“˜ Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
โ“˜ Native Gold
Formula: Au
โ“˜ Opal
Formula: SiO2 · nH2O
Colour: milky with a slight iridescence
Fluorescence: very strong green fluorescence, both LW and SW UV
โ“˜ Orpiment
Formula: As2S3
โ“˜ Palygorskite
Formula: ◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O
Description: Initially identified as attapulgite (Droste & Gates).
โ“˜ Pyrite
Formula: FeS2
โ“˜ Quartz
Formula: SiO2
โ“˜ Realgar
Formula: As4S4
โ“˜ Tridymite ?
Formula: SiO2
Habit: hexagonal platelets
Colour: milky
Description: The platelets are quartz pseudomorphs after tridymite, but there is a high chance the tridymite is also present in less eroded rocks.
โ“˜ Tunellite
Formula: SrB6O9(OH)2 · 3H2O
โ“˜ Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
โ“˜ Veatchite
Formula: Sr2B11O16(OH)5 · H2O
Description: Identified in core logs.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
โ“˜Native Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
โ“˜Greigite (TL)2.DA.05Fe2+Fe3+2S4
โ“˜Pyrite2.EB.05aFeS2
โ“˜Marcasite2.EB.10aFeS2
โ“˜Realgar2.FA.15aAs4S4
โ“˜Orpiment2.FA.30As2S3
Group 4 - Oxides and Hydroxides
โ“˜Quartz4.DA.05SiO2
โ“˜Opal4.DA.10SiO2 ยท nH2O
โ“˜Tridymite ?4.DA.10SiO2
โ“˜Carnotite4.HB.05K2(UO2)2(VO4)2 ยท 3H2O
Group 5 - Nitrates and Carbonates
โ“˜Calcite5.AB.05CaCO3
โ“˜Magnesite5.AB.05MgCO3
Group 6 - Borates
โ“˜Colemanite6.CB.10Ca[B3O4(OH)3] ยท H2O
โ“˜Howlite6.CB.20Ca2B5SiO9(OH)5
โ“˜Veatchite6.EC.15Sr2B11O16(OH)5 ยท H2O
โ“˜Tunellite6.FC.05SrB6O9(OH)2 ยท 3H2O
Group 8 - Phosphates, Arsenates and Vanadates
โ“˜Autunite8.EB.05Ca(UO2)2(PO4)2 ยท 10-12H2O
Group 9 - Silicates
โ“˜Uranophane9.AK.15Ca(UO2)2(SiO3OH)2 ยท 5H2O
โ“˜Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
โ“˜Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 ยท nH2O
โ“˜Palygorskite9.EE.20โ—ปAl2Mg2โ—ป2Si8O20(OH)2(H2O)4 ยท 4H2O
โ“˜Anorthite9.FA.35Ca(Al2Si2O8)
โ“˜var. Labradorite9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
โ“˜Analcime9.GB.05Na(AlSi2O6) ยท H2O
Unclassified
โ“˜'Chlorite Group'-
โ“˜'Clay minerals'-
โ“˜'Feldspar Group'-
โ“˜'Heulandite Subgroup'-(Na/Ca/K)5-6[Al8-9 Si27-28 O72] ยท nH2O

List of minerals for each chemical element

HHydrogen
Hโ“˜ AnalcimeNa(AlSi2O6) · H2O
Hโ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Hโ“˜ CarnotiteK2(UO2)2(VO4)2 · 3H2O
Hโ“˜ ColemaniteCa[B3O4(OH)3] · H2O
Hโ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Hโ“˜ HowliteCa2B5SiO9(OH)5
Hโ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Hโ“˜ OpalSiO2 · nH2O
Hโ“˜ Palygorskite◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O
Hโ“˜ TunelliteSrB6O9(OH)2 · 3H2O
Hโ“˜ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Hโ“˜ VeatchiteSr2B11O16(OH)5 · H2O
BBoron
Bโ“˜ ColemaniteCa[B3O4(OH)3] · H2O
Bโ“˜ HowliteCa2B5SiO9(OH)5
Bโ“˜ TunelliteSrB6O9(OH)2 · 3H2O
Bโ“˜ VeatchiteSr2B11O16(OH)5 · H2O
CCarbon
Cโ“˜ CalciteCaCO3
Cโ“˜ MagnesiteMgCO3
OOxygen
Oโ“˜ AnalcimeNa(AlSi2O6) · H2O
Oโ“˜ AnorthiteCa(Al2Si2O8)
Oโ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oโ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Oโ“˜ CalciteCaCO3
Oโ“˜ CarnotiteK2(UO2)2(VO4)2 · 3H2O
Oโ“˜ ColemaniteCa[B3O4(OH)3] · H2O
Oโ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Oโ“˜ HowliteCa2B5SiO9(OH)5
Oโ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Oโ“˜ MagnesiteMgCO3
Oโ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Oโ“˜ OpalSiO2 · nH2O
Oโ“˜ Palygorskite◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O
Oโ“˜ QuartzSiO2
Oโ“˜ TridymiteSiO2
Oโ“˜ TunelliteSrB6O9(OH)2 · 3H2O
Oโ“˜ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Oโ“˜ VeatchiteSr2B11O16(OH)5 · H2O
NaSodium
Naโ“˜ AnalcimeNa(AlSi2O6) · H2O
Naโ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Naโ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Naโ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MgMagnesium
Mgโ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgโ“˜ MagnesiteMgCO3
Mgโ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Mgโ“˜ Palygorskite◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O
AlAluminium
Alโ“˜ AnalcimeNa(AlSi2O6) · H2O
Alโ“˜ AnorthiteCa(Al2Si2O8)
Alโ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Alโ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Alโ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Alโ“˜ Palygorskite◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O
SiSilicon
Siโ“˜ AnalcimeNa(AlSi2O6) · H2O
Siโ“˜ AnorthiteCa(Al2Si2O8)
Siโ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siโ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Siโ“˜ HowliteCa2B5SiO9(OH)5
Siโ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Siโ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Siโ“˜ OpalSiO2 · nH2O
Siโ“˜ Palygorskite◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O
Siโ“˜ QuartzSiO2
Siโ“˜ TridymiteSiO2
Siโ“˜ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
PPhosphorus
Pโ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
SSulfur
Sโ“˜ GreigiteFe2+Fe23+S4
Sโ“˜ MarcasiteFeS2
Sโ“˜ OrpimentAs2S3
Sโ“˜ PyriteFeS2
Sโ“˜ RealgarAs4S4
KPotassium
Kโ“˜ CarnotiteK2(UO2)2(VO4)2 · 3H2O
Kโ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
CaCalcium
Caโ“˜ AnorthiteCa(Al2Si2O8)
Caโ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caโ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Caโ“˜ CalciteCaCO3
Caโ“˜ ColemaniteCa[B3O4(OH)3] · H2O
Caโ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Caโ“˜ HowliteCa2B5SiO9(OH)5
Caโ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Caโ“˜ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Caโ“˜ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
VVanadium
Vโ“˜ CarnotiteK2(UO2)2(VO4)2 · 3H2O
FeIron
Feโ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feโ“˜ GreigiteFe2+Fe23+S4
Feโ“˜ MarcasiteFeS2
Feโ“˜ PyriteFeS2
AsArsenic
Asโ“˜ OrpimentAs2S3
Asโ“˜ RealgarAs4S4
SrStrontium
Srโ“˜ TunelliteSrB6O9(OH)2 · 3H2O
Srโ“˜ VeatchiteSr2B11O16(OH)5 · H2O
AuGold
Auโ“˜ Native GoldAu
UUranium
Uโ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Uโ“˜ CarnotiteK2(UO2)2(VO4)2 · 3H2O
Uโ“˜ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O

Localities in this Region

USA
USA

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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

U.S. Geological Survey (1958), 1:250,000-scale topographic maps; various edition dates. San Bernardino. 31-Dec-1958.
Benda, William K. Richard C. Erd & Ward C. Smith (1960), Core logs from five test holes near Kramer, California: USGS Bulletin 1045-F: 330
Dibblee, Thomas W. (1967) Areal geology of the western Mojave Desert, California. Professional Paper 522. US Geological Survey 153 pp. doi:10.3133/pp522 pages 126-127, 144-146, 522
Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22: 169
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
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