Kapustinite Mineral Data

General Kapustinite Information
Help on Chemical Formula: Chemical Formula: Na5.5Mn0.25ZrSi6O16(OH)2
Help on Composition: Composition: Molecular Weight = 689.44 gm
   Sodium     17.94 %  Na   24.18 % Na2O
   Calcium     0.12 %  Ca    0.16 % CaO
   Cerium      0.20 %  Ce    0.24 % Ce2O3
   Yttrium     0.13 %  Y     0.16 % Y2O3
   Zirconium  12.04 %  Zr   16.26 % ZrO2
   Uranium     0.35 %  U     0.39 % UO2
   Titanium    0.35 %  Ti    0.58 % TiO2
   Manganese   1.83 %  Mn    2.37 % MnO
   Iron        0.24 %  Fe    0.31 % FeO
   Silicon    24.44 %  Si   52.29 % SiO2
   Hydrogen    0.31 %  H     2.77 % H2O
   Neodymium   0.21 %  Nd    0.24 % Nd2O3
   Oxygen     41.84 %  O
             ______        ______ 
             100.00 %       99.97 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na5.38Y0.01Ce0.01Nd0.01U0.01Ca0.02Mn2+0.23Fe2+0.03Ti0.05Zr0.91Si6O15.91(OH)2.12
Help on Environment: Environment: A hyperagpaitic pegmatite.
Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Kedykverpakhk Mountain, Lovozero massif (Kola Peninsula), Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Yu. L. Kapustin (1933-2002), Russian mineralogist who extensively studied alkaline massifs.
Help on Synonym: Synonym: IMA2003-018
 

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Kapustinite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.0382:1:0.7158
Help on Cell Dimensions: Cell Dimensions: a = 10.693, b = 10.299, c = 7.373, Z = 2; beta = 91.91° V = 811.52 Den(Calc)= 2.82
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.651(1)(400,222), 3.27(0.92)(221,112,130), 2.58(0.91)(222,040), 3.342(0.84)(221,112), 5.313(0.51)(200,111), 3.69(0.43)(220,002), 1.849(0.39),
 

Physical Properties of Kapustinite

Help on Cleavage: Cleavage: None
Help on Color: Color: Dark cherry red.
Help on Density: Density: 2.78
Help on Diaphaniety: Diaphaniety: Transparent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Equant Grains - Granular material with equel dimensions in x, y, and z.
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: pale lilac
 

Optical Properties of Kapustinite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.018 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.004 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2084,KPDmeas= 0.2114,KC= 0.2077
Help on Optical Data: Optical Data: Biaxial (-), a=1.585, b=1.589, g=1.589, bire=0.0040
 

Calculated Properties of Kapustinite

Help on Electron Density: Electron Density:

relectron=2.75 gm/cc
note: rKapustinite =2.82 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.02608
Boson Index = 0.97392
Help on Photoelectric: Photoelectric:

PEKapustinite = 27.97 barns/electron
U=PEKapustinite x relectron= 76.99 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 29,152.78 (Gamma Ray American Petroleum Institute Units)

Kapustinite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Radioactivity from Kapustinite - weak
Specimen
Size
Weight/Volume
(Sphere) *		 Calculated
Activity
Bequerols
(Bq)		 Calculated
Activity
Curies (Ci)		 Estimated
Activity
GR(api)		 Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 8.78 cm 627,236 1.70E-05 29,152.78 9.58
100 gm / 4.08 cm 62,724 1.70E-06 2,915.28 0.96
10 gm / 1.89 cm 6,272 1.70E-07 291.53 0.10
1 gm / 8.78 mm 627 1.70E-08 29.15 0.01
0.1 gm / 4.08 mm 63 1.70E-09 2.92 0.00
0.01 gm / 1.89 mm 6 1.70E-10 0.29 0.00
0.001 gm / 0.88 mm 1 1.70E-11 0.03 0.00

Weight of pure Kapustinite in grams (gm) and Calculated Diameter of a Sphere with a Density of 2.82 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
Estimated Thorium Activity ( 0.02 % Th) From Sum REE Elements ( 0.41 % REE)
 

Kapustinite Classification
Help on Dana Class: Dana Class: 61.1.2a.6 (61)Cyclosilicate Six-Membered Rings
  (61.1)with [Si6O18] rings; possible (OH) and Al substitution
  (61.1.2a)Lovozerite group (HEX and HEX-R subgroup)
 
61.1.2a.1 Lovozerite H4Na2Ca(Zr,Ti)[Si6O18] R 3m 3 2/m
 
61.1.2a.2 Kazakovite Na6MnTiSi6O18 R 3m 3 2/m
 
61.1.2a.3 Tisinalite Na3H3(Mn,Ca,Fe)TiSi6(O,OH)18·2(H2O) R 3m 3 2/m
 
61.1.2a.4 Zirsinalite Na6(Ca,Mn,Fe)Zr[Si6O18] R 3m 3 2/m
 
61.1.2a.5 Combeite Na2Ca2Si3O9 P 3221,P 3121 3 2
 
61.1.2a.6 Kapustinite ! Na5.5Mn0.25ZrSi6O16(OH)2 C 2/m 2/m
Help on Strunz Class: Strunz Class: VIII/E.16-23 VIII - Silicates
  VIII/E - Cyklosilicates, six rings [Si6O18]12-
  VIII/E.16 - Lovozerite group
 
VIII/E.16-10 Imandrite Na12Ca3Fe2Si12O36 Pnnm 2/m 2/m 2/m
 
VIII/E.16-20 Kazakovite Na6MnTiSi6O18 R 3m 3 2/m
 
VIII/E.16-23 Kapustinite Na5.5Mn0.25ZrSi6O16(OH)2 C 2/m 2/m
 
VIII/E.16-25 Litvinskite! Na2([],Na,Mn)Zr[Si6O12(OH,O)6] Cm m
 
VIII/E.16-30 Lovozerite H4Na2Ca(Zr,Ti)[Si6O18] R 3m 3 2/m
 
VIII/E.16-40 Zirsinalite Na6(Ca,Mn,Fe)Zr[Si6O18] R 3m 3 2/m
 
VIII/E.16-50 Koashvite Na6(Ca,Mn)(Ti,Fe)Si6O18·(H2O) Pmnb 2/m 2/m 2/m
 
VIII/E.16-60 Tisinalite Na3H3(Mn,Ca,Fe)TiSi6(O,OH)18·2(H2O) R 3m 3 2/m
 
VIII/E.16-70 Petarasite Na5Zr2Si6O18(Cl,OH)·2(H2O) P 21/m 2/m
 

Other Kapustinite Information
Help on References: References: NAME( AmMin. 90:271) PHYS. PROP.(AmMin. 90:271) OPTIC PROP.(AmMin. 90:271)
Help on See Also: See Also: Links to other databases for Kapustinite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

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Print or Cut-and-Paste your Kapustinite Specimen Label here :

Kapustinite

Na5.5Mn0.25ZrSi6O16(OH)2
Dana No: 61.1.2a.6 Strunz No: VIII/E.16-23
Locality:

 

Notes:

 
 
   
 
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