Inderborite
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About Inderborite
Formula:
CaMg(H3B3O7)2 · 8H2O
Colour:
Colourless to white
Lustre:
Vitreous
Hardness:
3½
Specific Gravity:
2
Crystal System:
Monoclinic
Member of:
Name:
After the type locality, INDER Lake, Kazakhstan, plus in allusion to its composition, being a BORate.
Classification of Inderborite
Approved, 'Grandfathered' (first described prior to 1959)
5/H.06-30
6.CA.25
6 : BORATES
C : Triborates
A : Neso-triborates
6 : BORATES
C : Triborates
A : Neso-triborates
26.3.1.2
26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
3 : Triborates
26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
3 : Triborates
9.3.23
9 : Borates
3 : Borates of Ca and Sr
9 : Borates
3 : Borates of Ca and Sr
Physical Properties of Inderborite
Vitreous
Transparency:
Transparent
Colour:
Colourless to white
Streak:
White
Hardness:
3½ on Mohs scale
Cleavage:
Distinct/Good
On {100} good.
On {100} good.
Fracture:
Conchoidal
Density:
2 g/cm3 (Measured)
Optical Data of Inderborite
Type:
Biaxial (-)
RI values:
nα = 1.482 nβ = 1.512 nγ = 1.530
2V:
Measured: 77° , Calculated: 74°
Max Birefringence:
δ = 0.048
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
none
Chemical Properties of Inderborite
Formula:
CaMg(H3B3O7)2 · 8H2O
IMA Formula:
CaMg[B3O3(OH)5]2 · 6H2O
Crystallography of Inderborite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 12.13 Å, b = 7.43 Å, c = 19.23 Å
β = 90.29°
β = 90.29°
Ratio:
a:b:c = 1.633 : 1 : 2.588
Unit Cell V:
1,733.10 ų (Calculated from Unit Cell)
Morphology:
Crystals to 2 cm. Coarsely crystalline aggregates.
Type Occurrence of Inderborite
Geological Setting of Type Material:
Borate deposit.
Associated Minerals at Type Locality:
Synonyms of Inderborite
Other Language Names for Inderborite
Relationship of Inderborite to other Species
Member of:
Other Members of this group:
| Inderite | MgB3O3(OH)5 · 5H2O | Mon. 2/m : P21/b |
| Inyoite | Ca(H4B3O7)(OH) · 4H2O | Mon. 2/m |
| Kurnakovite | MgB3O3(OH)5 · 5H2O | Tric. 1 : P1 |
| Meyerhofferite | Ca2(H3B3O7)2 · 4H2O | Tric. 1 : P1 |
| Solongoite | Ca2(H3B3O7)(OH)Cl | Mon. |
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Nickel-Strunz Grouping
| 6.CA.10 | Ameghinite | Na(H4B3O7) | Mon. |
| 6.CA.15 | Inderite | MgB3O3(OH)5 · 5H2O | Mon. 2/m : P21/b |
| 6.CA.20 | Kurnakovite | MgB3O3(OH)5 · 5H2O | Tric. 1 : P1 |
| 6.CA.30 | Meyerhofferite | Ca2(H3B3O7)2 · 4H2O | Tric. 1 : P1 |
| 6.CA.35 | Inyoite | Ca(H4B3O7)(OH) · 4H2O | Mon. 2/m |
| 6.CA.40 | Solongoite | Ca2(H3B3O7)(OH)Cl | Mon. |
| 6.CA.45 | Peprossiite-(Ce) | (Ce,La)(Al3O)2/3B4O10 | Hex. 6 m2 : P62m |
| 6.CA.50 | Nifontovite | Ca3B6O6(OH)12(H2O)2 | Mon. |
| 6.CA.55 | Olshanskyite | Ca2[B3O3(OH)6](OH) · 3H2O |
Related Minerals - Dana Grouping (8th Ed.)
Related Minerals - Hey's Chemical Index of Minerals Grouping
| 9.3.1 | Calciborite | Ca(B2O4) | Orth. |
| 9.3.2 | Sibirskite | Ca2(HB2O5)(OH) | Mon. |
| 9.3.3 | Fabianite | CaB3O5OH | Mon. 2/m : P21/b |
| 9.3.4 | Uralborite | Ca2[B3O3(OH)5 · OB(OH)3] | Mon. |
| 9.3.5 | Vimsite | CaB2O2(OH)4 | Mon. |
| 9.3.6 | Olshanskyite | Ca2[B3O3(OH)6](OH) · 3H2O | |
| 9.3.7 | Frolovite | Ca[B(OH)4]2 | Tric. |
| 9.3.8 | Korzhinskite | Ca(B2O4) · H2O | |
| 9.3.9 | Tyretskite | Ca2B5O9OH · H2O | Tric. |
| 9.3.10 | Nifontovite | Ca3B6O6(OH)12(H2O)2 | Mon. |
| 9.3.12 | Inyoite | Ca(H4B3O7)(OH) · 4H2O | Mon. 2/m |
| 9.3.13 | Gowerite | Ca[B5O8(OH)][B(OH)3] · 3H2O | Mon. |
| 9.3.14 | Colemanite | Ca[B3O4(OH)3] · H2O | Mon. 2/m : P21/b |
| 9.3.15 | Pentahydroborite | CaB2O(OH)6 · 2H2O | Tric. |
| 9.3.16 | Hexahydroborite | Ca[B(OH)4]2 · 2H2O or CaB2O4 · 6H2O | Mon. 2/m : B2/b |
| 9.3.17 | Meyerhofferite | Ca2(H3B3O7)2 · 4H2O | Tric. 1 : P1 |
| 9.3.18 | Priceite | Ca2B5O7(OH)5 · H2O | Mon. 2/m : P21/b |
| 9.3.19 | Ginorite | Ca2B14O20(OH)6 · 5H2O | Mon. |
| 9.3.20 | Probertite | NaCaB5O7(OH)4 · 3H2O | Mon. 2/m |
| 9.3.21 | Ulexite | NaCa[B5O6(OH)6] · 5H2O | Tric. 1 : P1 |
| 9.3.22 | Hydroboracite | CaMg[B3O4(OH)3]2 · 3H2O | Mon. |
| 9.3.24 | Wardsmithite | Ca5Mg[B4O7]6 · 30H2O | Hex. |
| 9.3.25 | Henmilite | Ca2Cu[B(OH)4]2(OH)4 | Tric. |
| 9.3.26 | Strontioborite | SrB8O11(OH)4 | Mon. |
| 9.3.27 | Veatchite | Sr2B11O16(OH)5 · H2O | Mon. m : Bb |
| 9.3.28 | Veatchite-A | Sr2B11O16(OH)5 · H2O | Tric. |
| 9.3.29 | P-Veatchite | Sr2B11O16(OH)5 · H2O | |
| 9.3.30 | Balavinskite | Sr2B6O11 · 4H2O | |
| 9.3.31 | Tunellite | SrB6O9(OH)2 · 3H2O | Mon. 2/m : P21/b |
| 9.3.32 | Strontioginorite | CaSrB14O20(OH)6 · 5H2O | Mon. 2/m : P21/b |
Other Information
IR Spectrum:
Inder material [cm-1]: 3655, 3550, 3495, 3420s, 3355s, 3240sh, 3100sh, 1650, 1462, 1423s, 1344, 1294w, 1220sh, 1203, 1100sh, 1064s, 1020sh, 961s, 867s, 814w, 759, 729, 643w, 600w, 530, 445, 410sh
Notes:
Slowly soluble in cold water. Rapidly soluble in hot HCl.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for Inderborite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Gorshov (1941) Comptes rendus de l’académie des sciences de l’U.R.S.S., n.s.: 33: 254.
Ikornikova and Godlevsky (1941) Comptes rendus de l’académie des sciences de l’U.R.S.S., n.s.: 33: 257 (as Metahydroboracite).
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: 355-356.
Canadian Mineralogist (1994): 32: 533-539.
Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).
Chukanov, N.V. (2014): Infrared spectra of mineral species: Extended library. Springer (Springer Geochemistry/Mineralogy), vol. 1, Dordrecht, 1726 pp.
Internet Links for Inderborite
mindat.org URL:
https://www.mindat.org/min-2024.html
Please feel free to link to this page.
Please feel free to link to this page.
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Localities for Inderborite
ⓘ - Click for further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)
All localities listed without proper references should be considered as questionable.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Argentina | |
| Galliski, M.A., Cooper, M.A., Márquez-Zavalía, M.F., and Hawthorne, F.C. (2010) Alfredstelznerite: a new calcium borate hydrate from Santa Rosa mine, Salta, northwestern Argentina. Canadian Mineralogist, 48, 123-128 |
Canada | |
| Shang, Y. (2000). Mineralogy, lithostratigraphy and geochemistry of North Ingebright Lake, Saskatchewan, Canada. PhD thesis University of Manitoba. |
Kazakhstan | |
| [Clark, 1993 - "Hey's Mineral Index", p322]; Pekov, I. V. & Abramov, D. V. (1993): Boron deposit of the Inder and its minerals. World of Stones, 1, 23-30. |
| Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow |
Turkey | |
| 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; 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. |
Inder B deposit and salt dome, Atyrau, Atyrau, Kazakhstan