Vitimite Mineral Data

Vitimite Mineral Data
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General Vitimite Information

Help on Chemical Formula: Chemical Formula: Ca6B14O19(SO4)(OH)14•5(H2O)
Help on Composition: Composition: Molecular Weight = 1,125.95 gm
   Calcium   22.07 %  Ca   30.88 % CaO
   Boron     13.44 %  B    43.28 % B2O3
   Hydrogen   2.10 %  H    18.80 % H2O
   Sulfur     2.85 %  S     7.11 % SO3
   Oxygen    59.54 %  O
            ______        ______ 
            100.00 %      100.07 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca6.2B14O19.2(SO4)(OH)13.9•4.8(H2O)
Help on Environment: Environment: In veinlets in boron ores of the Sonlongo deposit.
Help on IMA Status: IMA Status: Approved IMA 2001 (Dana # Added)
Help on Locality: Locality: Solongo deposit in Buryatia, Transbaikal region, Russia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Vitim plateau which is near the locality
Help on Synonym: Synonym: IMA2001-057
 

Vitimite Image

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Vitimite

Comments: Sectile white masses of vitimite on skarn rock matrix.
Location: Solongo B deposit, Vitim Plateau, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Scale: Sample Size 0.4 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Vitimite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.7219:1:0.7194
Help on Cell Dimensions: Cell Dimensions: a = 14.1, b = 19.53, c = 14.05, Z = 4; beta = 120.39° V = 3,337.40 Den(Calc)= 2.24
Help on Crystal System: Crystal System: MonoclinicSpace Group: P 2/m, P 2, Pm, pseudo-hex
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 12.2(1)(100,001), 2.72(0.7)(171,170,071), 3.036(0.6)(400,004),1.992(0.5)(541,304,417), 3.45(0.5)(333), 2.108(0.4), 2.911(0.4), 4.42(0.4),
 

Physical Properties of Vitimite

Help on Color: Color: White.
Help on Density: Density: 2.29
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Compact - Occurs as a compact mass.
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Hardness: Hardness: 1.5 - Between Talc and Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Vitimite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.001 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.021 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2394,KPDmeas= 0.2342,KC= 0.2344
Ncalc = 1.53 - 1.54
Help on Optical Data: Optical Data: Biaxial (-), a=1.532, b=1.537, g=1.54, bire=0.0080, 2V(Calc)=74, 2V(Meas)=75. Dispersion r > v.
 

Calculated Properties of Vitimite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.31 gm/cc
note: Specific Gravity of Vitimite =2.29 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEVitimite = 3.06 barns/electron
U=PEVitimite x rElectron Density= 7.07 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vitimite is Not Radioactive
 

Vitimite Classification
Help on Dana Class: Dana Class: 27.01.11.01 (27)Compound Borates
  (27.01)Dana Type
  (27.01.11)Dana Group
 
27.01.11.01 Vitimite! Ca6B14O19(SO4)(OH)14•5(H2O) P 2/m, P 2, Pm, pseudo-hex Mono
Help on Strunz Class: Strunz Class: 06.HA.45 06 - BORATES
  06.H - Unclassified Borates
  06.HA -Unclassified borates
 
06.HA.45 Vitimite! Ca6B14O19(SO4)(OH)14•5(H2O) P 2/m, P 2, Pm, pseudo-hex Mono
 

Other Vitimite Information
Help on References: References: NAME( AmMin, v 88, p 1839) PHYS. PROP.(AmMin, v 88, p 1839) OPTIC PROP.(AmMin, v 88, p 1839)
Help on See Also: See Also: Links to other databases for Vitimite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Ask about Vitimite here :
Ask-A-Mineralogist from the Mineralogical Society of America
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Rockhounds Discussion Group on Yahoo Groups
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Print or Cut-and-Paste your Vitimite Specimen Label here :

Vitimite

Ca6B14O19(SO4)(OH)14•5(H2O)
Dana No: 27.01.11.01 Strunz No: 06.HA.45
Locality:

 

Notes: