Kuzmenkoite-Zn Mineral Data

Kuzmenkoite-Zn Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About



[Newest Minerals] [Minerals for Sale] [Educational Articles] [About Us] [Image Gallery]
John Betts - Fine Minerals
Classic minerals, out-of-print books & magazines, plus informative articles for collectors


General Kuzmenkoite-Zn Information

Help on Chemical Formula: Chemical Formula: K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4•6-8(H2O)
Help on Composition: Composition: Molecular Weight = 1,214.76 gm
   Potassium   4.76 %  K     5.74 % K2O
   Barium      1.81 %  Ba    2.02 % BaO
   Sodium      0.36 %  Na    0.48 % Na2O
   Strontium   0.14 %  Sr    0.17 % SrO
   Calcium     1.58 %  Ca    2.22 % CaO
   Magnesium   0.02 %  Mg    0.03 % MgO
   Titanium   10.68 %  Ti   17.82 % TiO2
   Manganese   1.63 %  Mn    2.10 % MnO
   Niobium     8.87 %  Nb   12.69 % Nb2O5
   Aluminum    0.04 %  Al    0.08 % Al2O3
   Zinc        3.01 %  Zn    3.75 % ZnO
   Iron        0.41 %  Fe    0.53 % FeO
   Silicon    18.22 %  Si   38.98 % SiO2
   Hydrogen    1.56 %  H    13.93 % H2O
   Oxygen     46.89 %  O
             ______        ______ 
             100.00 %      100.55 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K1.48Ca0.48Na0.19Ba0.16Sr0.02Zn0.56Mn2+0.36Fe2+0.09Mg0.01Ti2.71Nb1.162(Si3.94)2(Al0.01) 2(O11.85)(OH)2.19O1.41·8.3(H2O)
Help on Environment: Environment: Hydrothermal product in 3 pegmatites. May form pseudomorphs after murmanite. (labuntosovite group; structure)
Help on IMA Status: IMA Status: Approved IMA 2002 (Dana # Added)
Help on Locality: Locality: Mount Kedydverpakhk and Mount Krrnasurt, Lovozero massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Russian geochemist and mineralogist Maria V. Kuz'menko (1918-1995) and the Zn content.
Help on Synonym: Synonym: IMA2001-037
 

Search for Kuzmenkoite-Zn Images

Click Here To Search Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.
  

Kuzmenkoite-Zn Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.0396:1:0.5617
Help on Cell Dimensions: Cell Dimensions: a = 14.4, b = 13.851, c = 7.781, Z = 2; beta = 117.33° V = 1,378.72 Den(Calc)= 2.93
Help on Crystal System: Crystal System: Monoclinic - DomaticH-M Symbol (m) Space Group: Cm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.19(1)(400,421,402), 3.09(0.91)(041,022), 6.92(0.75)(020,001), 6.4(0.5)(201,200), 2.49(0.35)(441,403), 2.58(0.35)(241),
 

Physical Properties of Kuzmenkoite-Zn

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, White, Grayish white, Pale pink, Light brown.
Help on Density: Density: 2.78 - 2.87, Average = 2.82
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Pseudomorphous - Occurs in the form of another mineral.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Kuzmenkoite-Zn

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.035 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.07 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.245,KPDmeas= 0.2541,KC= 0.2635
Ncalc = 1.73 - 1.77
Help on Optical Data: Optical Data: Biaxial (+), a=1.68-1.683, b=1.686-1.688, g=1.783-1.787, bire=0.1030-0.1040, 2V(Calc)=28-30, 2V(Meas)=25. Dispersion dispersion not observed.
 

Calculated Properties of Kuzmenkoite-Zn

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.79 gm/cc
note: Specific Gravity of Kuzmenkoite-Zn =2.83 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEKuzmenkoite-Zn = 25.37 barns/electron
U=PEKuzmenkoite-Zn x relectron= 70.70 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 67.78 (Gamma Ray American Petroleum Institute Units)
Concentration of Kuzmenkoite-Zn per GRapi unit = 1.48 (%)

Estimated Radioactivity from Kuzmenkoite-Zn - barely detectable

 

Kuzmenkoite-Zn Classification
Help on Dana Class: Dana Class: 60.01.03c.02 (60)Cyclosilicate Four-Membered Rings
  (60.01)as Titanosilicates
  (60.01.03c)Labuntsovite Group (Kuzmenkoite subgroup Monoclinic [C2/m])
 
60.01.03c.01 Kuzmenkoite-Mn! (K,Na)2(Mn,Fe)(Ti,Nb)4[Si4O12]2(OH)4•5(H2O) C 2/m 2/m
 
60.01.03c.02 Kuzmenkoite-Zn! K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4•6-8(H2O) Cm m
 
60.01.03c.03 Karupmollerite-Ca! (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4•7(H2O) C 2/m 2/m
 
60.01.03c.04 Lepkhenelmite-Zn! Ba2Zn(Ti,Nb)4(Si4O12)2(O,OH)4•7(H2O) Cm m
Help on Strunz Class: Strunz Class: 09.CE.30c 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CE -[Si4O12]8- 4-membered single rings (vierer-Einfachringe),
 
09.CE.30c Gjerdingenite-Mn! (K,Na)2(Mn,Fe)(Nb,Ti)4(Si4O12)2(O,OH)4•6(H2O) C 2/m 2/m
 
09.CE.30c Karupmollerite-Ca! (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4•7(H2O) C 2/m 2/m
 
09.CE.30c Kuzmenkoite-Zn! K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4•6-8(H2O) Cm m
 
09.CE.30c Kuzmenkoite-Mn! (K,Na)2(Mn,Fe)(Ti,Nb)4[Si4O12]2(OH)4•5(H2O) C 2/m 2/m
 
09.CE.30c Gjerdingenite-Fe! K2[(H2O)2(Fe,Mn)][(Nb,Ti)4(Si4O12)2(O,OH)4]•4(H2O) C 2/m 2/m
 
09.CE.30c Lepkhenelmite-Zn! Ba2Zn(Ti,Nb)4(Si4O12)2(O,OH)4•7(H2O) Cm m
 
09.CE.30c Gjerdingenite-Ca! K2Ca(Nb,Ti)4(Si4O12)2(O,OH)4•6H2O C 2/m 2/m
 
09.CE.30c Gjerdingenite-Na! (K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4•5H2O C 2/m 2/m
 
09.CE.30c Burovaite-Ca! (K,Na)4Ca2(Ti,Nb)8[Si4O12]4(OH,O)8•12H2O C 2/m 2/m
 

Other Kuzmenkoite-Zn Information
Help on References: References: NAME( AmMin, v 88, p 932) PHYS. PROP.(AmMin, v 88, p 932) OPTIC PROP.(AmMin, v 88, p 932)
Help on See Also: See Also: Links to other databases for Kuzmenkoite-Zn :
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

Search for Kuzmenkoite-Zn using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [bing] [GeoScienceWorld] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Kuzmenkoite-Zn :

B & L Fine Minerals

Dan 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 Kuzmenkoite-Zn Mineral Data :

Ask about Kuzmenkoite-Zn here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

Print or Cut-and-Paste your Kuzmenkoite-Zn Specimen Label here :

Kuzmenkoite-Zn

K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4•6-8(H2O)
Dana No: 60.01.03c.02 Strunz No: 09.CE.30c
Locality:

 

Notes: