General Inderite Information Chemical Formula: |
MgB3O3(OH)5•5(H2O) |
Composition: |
Molecular Weight = 279.85 gm |
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Magnesium 8.69 % Mg 14.40 % MgO |
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Boron 11.59 % B 37.32 % B2O3 |
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Hydrogen 5.40 % H 48.28 % H2O |
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Oxygen 74.32 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
MgB3O3(OH)5•5(H2O) |
IMA Status: |
Valid Species (Pre-IMA) 1937 |
Locality: |
Inder Lake, Kazakhstan. Link to MinDat.org Location Data. |
Name Origin: |
Named after its source. |
Name Pronunciation: |
Inderite |
Synonym: |
ICSD 60 |
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PDF 36-423 |
| | Inderite Image
Images:
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Inderite Crystallography Axial Ratios: |
a:b:c =0.9195:1:0.5182 |
Cell Dimensions: |
a = 12.12, b = 13.18, c = 6.83, Z = 4; beta = 104.817° V = 1,054.76 Den(Calc)= 1.76 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a |
X Ray Diffraction: |
By Intensity(I/Io): 3.26(1), 5.66(1), 5.01(0.9), |
Crystal Structure:
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Mouse
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| Physical Properties of Inderite Cleavage: |
{110} Good |
Color: |
Colorless, White, Pink. |
Density: |
1.8 |
Diaphaneity: |
Transparent |
Fracture: |
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. |
Habit: |
Euhedral Crystals - Occurs as well-formed crystals showing good external form. |
Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. |
Hardness: |
2.5 - Finger Nail |
Luster: |
Vitreous (Glassy) |
Streak: |
white |
| Optical Properties of Inderite Gladstone-Dale: |
CI meas= -0.006 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.029 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2811,KPDmeas= 0.2748,KC= 0.2732 Ncalc = 1.48 - 1.49 Optical Data: |
Biaxial (+), a=1.488, b=1.491, g=1.505, bire=0.0170, 2V(Calc)=52, 2V(Meas)=37. |
| Calculated Properties of Inderite Electron Density: |
Bulk Density (Electron Density)=1.88 gm/cc |
note: Specific Gravity of Inderite =1.80 gm/cc. Fermion Index: |
Fermion Index = 0.03 |
Boson Index = 0.97 Photoelectric: |
PEInderite = 0.48 barns/electron |
U=PEInderite x rElectron Density= 0.91 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Inderite is Not Radioactive | Inderite Classification Dana Class: |
26.03.01.03 (26)Hydrated Borates Containing Hydroxyl or Halogen |
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(26.03)Dana Type |
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(26.03.01)Inyoite Group |
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Strunz Class: |
06.CA.15 06 - BORATES |
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06.C - Triborates |
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06.CA -Neso-triborates |
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| Other Inderite Information References: |
NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Inderite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Inderite using: Visit our Advertisers for Inderite : A Bijoux Google Search for InderiteAdam's Minerals Google Search for Inderite Cape Minerals Google Search for Inderite Dakota Matrix Minerals Google Search for Inderite Excalibur Mineral Corp. Google Search for Inderite Exceptional Minerals Google Search for Inderite John Betts Fine Minerals Search for Inderite McDougall Minerals Google Search for Inderite Mineral News Website Link Rock and Mineral Shows Google Search for Inderite Weinrich Minerals, Inc. Google Search for Inderite Ask about Inderite here : Print or Cut-and-Paste your Inderite Specimen Label here :
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