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Inderite

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U.S. Borax open pit (Boron pit), U.S. Borax Mine (Pacific West Coast Borax; Pacific Coast Borax Co.; Boron Mine; U.S. Borax and Chemical Corp.; Kramer Mine; Baker Mine), Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA
© Leon Hupperichs

Show Inderite Photos (26)



Formula:
MgB
 
3
O
 
3
(OH)
 
5
 · 5H
 
2
O
System:MonoclinicColour:Colourless, white, pink; ...
Hardness:3
Member of:Inderite Group
Name:After the type locality, the Inder Lake, Kazakhstan.
Dimorph of:Kurnakovite


Inderite Group.

Visit gemdat.org for gemological information about Inderite. Currently in public beta-test.

Classification of Inderite

IMA status:Approved
Strunz 8th edition ID:5/H.06-20
Nickel-Strunz 10th (pending) edition ID:6.CA.15

6 : BORATES
C : Triborates
A : Neso-triborates
Dana 8th edition ID:26.3.1.3

26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
3 : Triborates
Hey's CIM Ref.:9.2.11

9 : Borates
2 : Borates of Be and Mg
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Type Occurrence of Inderite

Type Locality:Deposit No. 7, Mt Kzyl-tau, Inder B deposit and salt dome, Atyrau (Gur'yev), Atyrau Province (Atyrau Oblysy; Atyrau Oblast'), Kazakhstan
Year of Discovery:1937
Associated Minerals at type locality:
Hydroboracite

Occurrences of Inderite

Geological Setting:Rarely as a primary mineral in lacustrine borate deposits.

Physical Properties of Inderite

Lustre:Vitreous, Greasy, Pearly, Dull
Diaphaneity (Transparency):Transparent, Translucent
Comment:Pearly on cleavages.
Colour:Colourless, white, pink; colourless in transmitted light
Hardness (Mohs):3
Cleavage:Perfect
On {010} perfect; on {110} good.
Density (measured):1.8 g/cm3
Density (calculated):1.794 g/cm3

Crystallography of Inderite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/b {P1 1 21/b} {P21/c} {P1 21/c 1} {P21/a}
Cell Parameters:a = 12.025Å, b = 13.1145(13) Å, c = 6.8221(3) Å
β = 104.49°
Ratio:a:b:c = 0.917 : 1 : 0.52
Unit Cell Volume:V 1,041.64 ų (Calculated from Unit Cell)
Z:4
Morphology:Crystals tabular with two pinacoidal cleavages (California); acicular, in reniform nodular aggregates (Inder Lake); prismatic (artificial).
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Inderite

Type:Biaxial (+)
RI values: nα = 1.488 nβ = 1.491 nγ = 1.505
2V:Measured: 37° , Calculated: 52°
Maximum Birefringence:δ = 0.017

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:weak r > v

Chemical Properties of Inderite

Formula:
MgB
 
3
O
 
3
(OH)
 
5
 · 5H
 
2
O
Essential elements:B, H, Mg, O
All elements listed in formula:B, H, Mg, O

Relationship of Inderite to other Species

Member of:Inderite Group
Other Members of Group:

- +
Inderborite
CaMg(H
 
3
B
 
3
O
 
7
)
 
2
 · 8H
 
2
O
Inyoite
Ca(H
 
4
B
 
3
O
 
7
)(OH) · 4H
 
2
O
Kurnakovite
MgB
 
3
O
 
3
(OH)
 
5
 · 5H
 
2
O
Meyerhofferite
Ca
 
2
(H
 
3
B
 
3
O
 
7
)
 
2
 · 4H
 
2
O
Solongoite
Ca
 
2
(H
 
3
B
 
3
O
 
7
)(OH)Cl
Related Minerals - Nickel-Strunz Grouping):

- +
6.CA.10Ameghinite
Na(H
 
4
B
 
3
O
 
7
)
6.CA.20Kurnakovite
MgB
 
3
O
 
3
(OH)
 
5
 · 5H
 
2
O
6.CA.25Inderborite
CaMg(H
 
3
B
 
3
O
 
7
)
 
2
 · 8H
 
2
O
6.CA.30Meyerhofferite
Ca
 
2
(H
 
3
B
 
3
O
 
7
)
 
2
 · 4H
 
2
O
6.CA.35Inyoite
Ca(H
 
4
B
 
3
O
 
7
)(OH) · 4H
 
2
O
6.CA.40Solongoite
Ca
 
2
(H
 
3
B
 
3
O
 
7
)(OH)Cl
6.CA.45Peprossiite-(Ce)
(Ce,La)(Al
 
3
O)
 
2/3
B
 
4
O
 
10
6.CA.50Nifontovite
Ca
 
3
B
 
6
O
 
6
(OH)
 
12
(H
 
2
O)
 
2
6.CA.55Olshanskyite
Ca
 
3
[B(OH)
 
4
]
 
4
(OH)
 
2
Related Minerals - Hey's Index Grouping:

- +
9.2.1Hambergite
Be
 
2
(BO
 
3
)(OH)
9.2.2Suanite
Mg
 
2
[B
 
2
O
 
5
]
9.2.3Kotoite
Mg
 
3
[BO
 
3
]
 
2
9.2.4Szaibélyite
Mg
 
2
[(OH)(B
 
2
O
 
4
(OH))]
9.2.5Preobrazhenskite
Mg
 
3
B
 
11
O
 
15
(OH)
 
9
9.2.6Aksaite
Mg[B
 
6
O
 
7
(OH)
 
6
] · 2H
 
2
O
9.2.7Wightmanite
Mg
 
5
(BO
 
3
)O(OH)
 
5
 · 2H
 
2
O
9.2.8Pinnoite
Mg[B
 
2
O(OH)
 
6
]
9.2.9Kurnakovite
MgB
 
3
O
 
3
(OH)
 
5
 · 5H
 
2
O
9.2.10Halurgite
Mg
 
2
[B
 
4
O
 
7
]
 
2
 · 5H
 
2
O
9.2.12Hungchaoite
Mg(B
 
4
O
 
7
) · 9H
 
2
O
9.2.13Admontite
Mg[B
 
6
O
 
7
(OH)
 
6
] · 4H
 
2
O
9.2.14Mcallisterite
Mg
 
2
[B
 
6
O
 
7
(OH)
 
6
]
 
2
 · 9H
 
2
O
9.2.15Rivadavite
Na
 
6
Mg[B
 
6
O
 
7
(OH)
 
6
]
 
4
 · 10H
 
2
O
9.2.16Kaliborite
KMg
 
2
H[B
 
6
O
 
8
(OH)
 
5
]
 
2
(H
 
2
O)
 
4
9.2.17Iquiqueite
K
 
3
Na
 
4
Mg(CrO
 
4
)B
 
24
O
 
39
(OH) · 12H
 
2
O

Other Names for Inderite

Synonyms:
LesseriteLoesserite
Other Languages:
German:Inderit
Lesserit
Loesserit
Russian:Индерит
Simplified Chinese:多水硼镁石
Spanish:Inderita
Lesserita
Loesserita

Other Information

Other Information:Insoluble in water. Readily soluble in warm, dilute HCl.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Inderite

Reference List:

- +
Boldyreva and Egorova (1937) Mat. Centr. Sc. Geol. Prosp. Inst. U.S.S.R. Gen. Ser., no. 2.

Boldyreva (1937) Mineralogicheskoe Obshchestvo, Leningrad, Zapiski: 66: 651.

Feigelson, Grushvitsky, and Korobochkina (1939) Comptes rendus de l’académie des sciences de l’U.R.S.S.: 22: 242.

Nikolaev and Chelishcheva (1940) Comptes rendus de l’académie des sciences de l’U.R.S.S.: 28: 127.

Heinrich (1946) American Mineralogist: 31: 71.

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. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 360-361.

Frondel, C., et al (1956), Lesserite, a new borate mineral, American Mineralogist: 41: 927-928.

Rumanova, I.M. and Ashirov, A. (1964) The determination of the crystal structure of inderite. Soviet Physics-Crystallography: 8: 414-428.

Acta Crystallographica (1976): B32: 1329-1333.

Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Anthony, J.W., Bideaux, R.A., Bladh, K.W., and Nichols, M.C. (2003) Handbook of Mineralogy, Volume V. Borates, Carbonates, Sulfates. Mineral Data Publishing, Tucson, AZ, 813pp.: 323.

Best Localities for Inderite

Best of Species:Inderite

Internet Links for Inderite

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  • Raman and XRD data at RRUFF project
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    • Localities for Inderite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    China
     
    • Qinghai Province
      • Haixi Autonomous Prefecture
        • Da Qaidam Co. (Dachaidan Co.)
    		Garrett, D.E. (1998): Borates: Handbook of deposits, processing, properties, and use. Academic Press (San Diego, London), 491 pp.
    • Tibet Autonomous Region
      • Ngari Prefecture
        • Gê'gyai Co. (Geji)
    		Mienping Zheng and Wengao Liu (1982): Geological Review 28(3), 263-266
    Italy
     
    • Piedmont
      • Torino Province
        • Canavese District
          • Léssolo
            • Cálea
    		M.E. Ciriotti (2006) EDX probed
    Kazakhstan
     
    • Atyrau Province (Atyrau Oblysy; Atyrau Oblast')
      • Atyrau (Gur'yev)
    		World of Stones #1
          • Mt Kzyl-tau
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha Republic; Yakutia)
        • Polar Yakutia
          • Dogdo River Basin
            • Tas-Khayakhtakh Range
    		http://maurice.strahlen.org/yakutia/yakutia.htm
    Turkey
     
    • Central Anatolia Region
      • Eskişehir Province
    		CAHIT HELVACI & RICARDO N. ALONSO (2000) Borate Deposits of Turkey and Argentina; A Summary and Geological Comparison. Turkish Journal of Earth Sciences, Vol. 9, 2000, pp. 1-27
      • Yozgat Province
    		http://www.mineralienatlas.de/lexikon/index.php/T%FCrkei/Eskisehir/Kirka/Sarikaya; Baysal, O. (1972) : A mineralogical study and genesis of Sarıkaya (Kırka) borate deposits. Hacettepe University, Ankara.
    USA
     
    • California
      • Inyo Co.
        • Death Valley National Park
          • Furnace Creek District (Furnace Creek Borate District)
            • Black Mts
              • Ryan
    		Erd, R.C., J.F. McAllister, and A.C. Vlisidis (1970) Wardsmithite 5CaO • MgO •12B2O3 •30H2O, a new borate mineral from the Death Valley region, California. American Mineralogist: 55: 349-357; Erd, R.C., J.F. McAllister, and G.D. Eberlein (1979) New data on hungchaoite, the second world occurrence, Death Valley region, California. American Mineralogist: 64: 369-375; Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols.
      • Kern Co.
        • Kramer District
    		www.mineralsocal.org
    Frondel, Clifford & V. Morgen (1956), Inderite and gerstleyite from the Kramer borate district, Kern County, California: American Mineralogist: 41: 839-843; Frondel, Clifford, V. Morgan & J.L.T. Waugh (1956), Lesserite, a new borate mineral American Mineralogist: 41: 927-928; Schaller, Waldemar Theodore & Mary Emma Mrose (1960), The naming of the hydrous magnesium borate minerals from Boron, California – a preliminary note: American Mineralogist: 45: 732-734; Rumanova, I.M. and Ashirov, A. (1964) The determination of the crystal structure of inderite. Soviet Physics-Crystallography: 8: 414-428; Bowser, C.J. (1965a), Geochemistry and petrology of the sodium borates in the non-marine evaporative environment: Unpublished Ph.. dissertation, University of California, Los Angeles, 307 pp.: 49-50; Morgan, V. and Erd, R.C. (1969) Minerals of the Kramer borate district, California California Division of Mines and Geology Mineral Information Service: 22(9&10): 150-152; Razmanova, .P., Rumanova, I.M., and Belov, N.V. (1970) Crystal structure of kurnakovite Mg2B6O11•15H2O = 2Mg[B3O3(OH)5]•5H2O. Soviet Physics, Doklady: 14: 1139; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 240.
              • Baker Mine
    		Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 227-228.
    Minerals Notes and News (1948), Inderite discovered at Boron: Mineral Notes & News Bulletin 127: 12; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 227-228.
    American Mineralogist 41 (1956), 839-843
    Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 228.
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