[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 Nifontovite InformationCa3B6O6(OH)12•2(H2O) |
Molecular Weight = 521.21 gm |
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Calcium 23.07 % Ca 32.28 % CaO |
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Boron 12.44 % B 40.07 % B2O3 |
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Hydrogen 3.09 % H 27.65 % H2O |
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Oxygen 61.39 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Ca3B6O6(OH)12•2(H2O) |
Approved IMA 1961 |
Novofrolovo mine, Ural Mountains, Russia. Link to MinDat.org Location Data. |
Named for Roman V. Nifontov (1901-1960), Russian geologist. |
Nifontovite + Pronunciation |
ICSD 20196 |
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PDF 46-1465 |
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Nifontovite Crystallographya:b:c =1.378:1:1.4283 |
a = 13.089, b = 9.498, c = 13.566, Z = 4; beta = 119.58° V = 1,466.71 Den(Calc)= 2.36 |
MonoclinicSpace Group: C 2/c,Cc |
By Intensity(I/Io): 7.28(1), 2.238(0.8), 3.84(0.8), |
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Mouse
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| Physical Properties of Nifontovite{???} Indistinct |
Colorless, Gray. |
2.36 |
Transparent |
3.5 - Copper Penny |
Fluorescent, Long UV=violet. |
Vitreous (Glassy) |
white |
| Optical Properties of NifontoviteCI meas= 0.011 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.011 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2453,KPDmeas= 0.2453,KC= 0.248 Ncalc = 1.59 Biaxial (+), a=1.575, b=1.578, g=1.584, bire=0.0090, 2V(Calc)=72, 2V(Meas)=76. Dispersion r > v strong. |
colorless. |
colorless. |
colorless. |
| Calculated Properties of NifontoviteBulk Density (Electron Density)=2.41 gm/cc |
note: Specific Gravity of Nifontovite =2.36 gm/cc. Fermion Index = 0.02 |
Boson Index = 0.98 PENifontovite = 3.00 barns/electron |
U=PENifontovite x rElectron Density= 7.23 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Nifontovite is Not Radioactive | Nifontovite Classification26.03.07.01 (26)Hydrated Borates Containing Hydroxyl or Halogen |
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(26.03)Dana Type |
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(26.03.07)Dana Group |
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06.CA.50 06 - BORATES |
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06.C - Triborates |
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06.CA -Neso-triborates |
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| Other Nifontovite InformationNAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990;Dana8) OPTIC PROP.(Dana8) |
Links to other databases for Nifontovite : |
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 Nifontovite using: Visit our Advertisers for Nifontovite : 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 Nifontovite Mineral Data : Ask about Nifontovite here : Print or Cut-and-Paste your Nifontovite Specimen Label here :
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