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Nifontovite Mineral Data

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General Nifontovite Information

Help on Chemical  Formula: Chemical Formula: Ca3B6O6(OH)12•2(H2O)
Help on Composition: Composition: Molecular Weight = 521.21 gm
   Calcium   23.07 %  Ca   32.28 % CaO
   Boron     12.44 %  B    40.07 % B2O3
   Hydrogen   3.09 %  H    27.65 % H2O
   Oxygen    61.39 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca3B6O6(OH)12•2(H2O)
Help on IMA Status: IMA Status: Approved IMA 1961
Help on Locality: Locality: Novofrolovo mine, Ural Mountains, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Roman V. Nifontov (1901-1960), Russian geologist.
Help on Name Pronunciation: Name Pronunciation: Nifontovite + Pronunciation Say NIFONTOVITE
Help on Synonym: Synonym: ICSD 20196
  PDF 46-1465

Nifontovite Image

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Comments: Transparent spray of nifontovite crystals.
Location: Fuka Mine, Bicchu Town, Kawakama Co., Okayama Pref., Japan. Scale: Crystal size 2.3x0.7x0.5 cm.
© John Veevaert

Nifontovite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.378:1:1.4283
Help on Cell Dimensions: Cell Dimensions: a = 13.089, b = 9.498, c = 13.566, Z = 4; beta = 119.58° V = 1,466.71 Den(Calc)= 2.36
Help on Crystal System: Crystal System: Monoclinic Space Group: C 2/c,Cc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.28(1), 2.238(0.8), 3.84(0.8),

Physical Properties of Nifontovite

Help on Cleavage: Cleavage: {???} Indistinct
Help on Color: Color: Colorless, Gray.
Help on Density: Density: 2.36
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luminescence: Luminescence: Fluorescent, Long UV=violet.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Nifontovite

Help on Gladstone-Dale: Gladstone-Dale: CI 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
Help on Optical Data: Optical Data: Biaxial (+), a=1.575, b=1.578, g=1.584, bire=0.0090, 2V(Calc)=72, 2V(Meas)=76. Dispersion r > v strong.
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.
Help on Pleochroism (z): Pleochroism (z): colorless.

Calculated Properties of Nifontovite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.41 gm/cc
note: Specific Gravity of Nifontovite =2.36 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PENifontovite = 3.00 barns/electron
U=PENifontovite x rElectron Density= 7.23 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nifontovite is Not Radioactive

Nifontovite Classification

Help on  Dana Class: Dana Class: (26)Hydrated Borates Containing Hydroxyl or Halogen
  (26.03)Dana Type
  (26.03.07)Dana Group Nifontovite Ca3B6O6(OH)12•2(H2O) C 2/c,Cc Mono
Help on  Strunz Class: Strunz Class: 06.CA.50 06 - BORATES
  06.C - Triborates
  06.CA -Neso-triborates
06.CA.50 Nifontovite Ca3B6O6(OH)12•2(H2O) C 2/c,Cc Mono

Other Nifontovite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990;Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: 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

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Dana No: Strunz No: 06.CA.50





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