[Content and History] [Recent Issues] [Back Issues] [Subscriptions] [Contacts] See Also: [Diamond Crystals] [Excalibur Minerals] [Hudson Institute] [Minerals on CDROM] Mineral News was founded some twenty years ago and has developed a following of avid mineral collectors seeking timely information about new finds and other items of interest to the collector community. Articles are solicited from collector and scientific authors. General Inderite InformationMgB3O3(OH)5•5(H2O) |
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 |
MgB3O3(OH)5•5(H2O) |
Valid Species (Pre-IMA) 1937 |
Inder Lake, Kazakhstan. Link to MinDat.org Location Data. |
Named after its source. |
Inderite |
ICSD 60 |
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PDF 36-423 |
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Inderite Crystallographya:b:c =0.9195:1:0.5182 |
a = 12.12, b = 13.18, c = 6.83, Z = 4; beta = 104.817° V = 1,054.76 Den(Calc)= 1.76 |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a |
By Intensity(I/Io): 3.26(1), 5.66(1), 5.01(0.9), |
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Mouse
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| Physical Properties of Inderite{110} Good |
Colorless, White, Pink. |
1.8 |
Transparent |
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. |
Euhedral Crystals - Occurs as well-formed crystals showing good external form. |
Massive - Uniformly indistinguishable crystals forming large masses. |
2.5 - Finger Nail |
Vitreous (Glassy) |
white |
| Optical Properties of InderiteCI 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 Biaxial (+), a=1.488, b=1.491, g=1.505, bire=0.0170, 2V(Calc)=52, 2V(Meas)=37. |
| Calculated Properties of InderiteBulk Density (Electron Density)=1.88 gm/cc |
note: Specific Gravity of Inderite =1.80 gm/cc. Fermion Index = 0.03 |
Boson Index = 0.97 PEInderite = 0.48 barns/electron |
U=PEInderite x rElectron Density= 0.91 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Inderite is Not Radioactive | Inderite Classification26.03.01.03 (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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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 InformationNAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
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 : B & L Fine MineralsDan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Excalibur Minerals Exceptional Minerals Fabre Minerals John Betts Fine Minerals Lapis Mineral Journal Mineral News UV Tools Wrights Rock Shop Translate Inderite Mineral Data : Ask about Inderite here : Print or Cut-and-Paste your Inderite Specimen Label here :
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