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Baker Mine, Rio Tinto Borax Mine, Kramer Borate deposit, Boron, Kern County, California, USAi
Regional Level Types
Baker MineMine
Rio Tinto Borax MineOpen-Cast Mine
Kramer Borate depositDeposit
BoronTown
Kern CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
35° 2' 40'' North , 117° 41' 39'' West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~0km
GRN:
N24W69
Type:
Mine
Köppen climate type:
BWk : Cold desert climate
Mindat Locality ID:
6769
Long-form identifier:
mindat:1:2:6769:3
GUID (UUID V4):
0


The Baker Mine is an old, defunct underground working on the grounds of the U.S. Borax Mine.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


10 valid minerals.2(TL) - type locality of valid minerals.

Detailed Mineral List:

✪Borax
Formula:Na2(B4O5)(OH)4 · 8H2O
ⓘGerstleyite (TL)
Formula:Na2(Sb,As)8S13 · 2H2O
Type Locality:
ⓘInderite
Formula:MgB3O3(OH)5 · 5H2O
ⓘKernite
Formula:Na2[B4O6(OH)2] · 3H2O
ⓘKurnakovite
Formula:MgB3O3(OH)5 · 5H2O
ⓘProbertite (TL)
Formula:NaCa[B5O7(OH)4] · 3H2O
Type Locality:
ⓘRealgar
Formula:As4S4
ⓘSassolite
Formula:H3BO3
ⓘStibnite
Formula:Sb2S3
ⓘTincalconite
Formula:Na2(B4O7) · 5H2O

Gallery:

Na2(Sb,As)8S13 · 2H2OⓘGerstleyite (TL)
MgB3O3(OH)5 · 5H2OⓘKurnakovite
Na2(B4O7) · 5H2OⓘTincalconite

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘStibnite2.DB.05Sb2S3
ⓘRealgar2.FA.15aAs4S4
ⓘGerstleyite (TL)2.HE.05Na2(Sb,As)8S13 · 2H2O
Group 6 - Borates
ⓘSassolite6.AA.05H3BO3
ⓘInderite6.CA.15MgB3O3(OH)5 · 5H2O
ⓘKurnakovite6.CA.20MgB3O3(OH)5 · 5H2O
ⓘBorax6.DA.10Na2(B4O5)(OH)4 · 8H2O
ⓘTincalconite6.DA.15Na2(B4O7) · 5H2O
ⓘKernite6.DB.05Na2[B4O6(OH)2] · 3H2O
ⓘProbertite (TL)6.EB.15NaCa[B5O7(OH)4] · 3H2O

List of minerals for each chemical element

HHydrogen
HⓘBoraxNa2(B4O5)(OH)4 · 8H2O
HⓘGerstleyiteNa2(Sb,As)8S13 · 2H2O
HⓘInderiteMgB3O3(OH)5 · 5H2O
HⓘKerniteNa2[B4O6(OH)2] · 3H2O
HⓘKurnakoviteMgB3O3(OH)5 · 5H2O
HⓘProbertiteNaCa[B5O7(OH)4] · 3H2O
HⓘSassoliteH3BO3
HⓘTincalconiteNa2(B4O7) · 5H2O
BBoron
BⓘBoraxNa2(B4O5)(OH)4 · 8H2O
BⓘInderiteMgB3O3(OH)5 · 5H2O
BⓘKerniteNa2[B4O6(OH)2] · 3H2O
BⓘKurnakoviteMgB3O3(OH)5 · 5H2O
BⓘProbertiteNaCa[B5O7(OH)4] · 3H2O
BⓘSassoliteH3BO3
BⓘTincalconiteNa2(B4O7) · 5H2O
OOxygen
OⓘBoraxNa2(B4O5)(OH)4 · 8H2O
OⓘGerstleyiteNa2(Sb,As)8S13 · 2H2O
OⓘInderiteMgB3O3(OH)5 · 5H2O
OⓘKerniteNa2[B4O6(OH)2] · 3H2O
OⓘKurnakoviteMgB3O3(OH)5 · 5H2O
OⓘProbertiteNaCa[B5O7(OH)4] · 3H2O
OⓘSassoliteH3BO3
OⓘTincalconiteNa2(B4O7) · 5H2O
NaSodium
NaⓘBoraxNa2(B4O5)(OH)4 · 8H2O
NaⓘGerstleyiteNa2(Sb,As)8S13 · 2H2O
NaⓘKerniteNa2[B4O6(OH)2] · 3H2O
NaⓘProbertiteNaCa[B5O7(OH)4] · 3H2O
NaⓘTincalconiteNa2(B4O7) · 5H2O
MgMagnesium
MgⓘInderiteMgB3O3(OH)5 · 5H2O
MgⓘKurnakoviteMgB3O3(OH)5 · 5H2O
SSulfur
SⓘGerstleyiteNa2(Sb,As)8S13 · 2H2O
SⓘRealgarAs4S4
SⓘStibniteSb2S3
CaCalcium
CaⓘProbertiteNaCa[B5O7(OH)4] · 3H2O
AsArsenic
AsⓘGerstleyiteNa2(Sb,As)8S13 · 2H2O
AsⓘRealgarAs4S4
SbAntimony
SbⓘGerstleyiteNa2(Sb,As)8S13 · 2H2O
SbⓘStibniteSb2S3

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, pleaseregister so you can add to our database. This locality information is for reference purposes only. You should never attempt tovisit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holdersfor access and that you are aware of all safety precautions necessary.

References

American Mineralogist (1928): 13: 452-453.
Frondel, Clifford, Morgan, Vincent (1956) Inderite and gerstleyite from the Kramer borate district, Kern County, California.American Mineralogist, 41 (11-12) 839-843
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