Mineralogy Database

Karupmollerite-Ca Mineral Data

Search Webmineral :

General Karupmollerite-Ca Information

Help on Chemical  Formula: Chemical Formula: (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4•7(H2O)
Help on Composition: Composition: Molecular Weight = 1,211.35 gm
   Potassium   1.42 %  K     1.71 % K2O
   Barium      0.23 %  Ba    0.25 % BaO
   Sodium      1.59 %  Na    2.15 % Na2O
   Strontium   0.07 %  Sr    0.09 % SrO
   Calcium     4.23 %  Ca    5.93 % CaO
   Titanium    5.06 %  Ti    8.44 % TiO2
   Manganese   0.23 %  Mn    0.29 % MnO
   Niobium    20.71 %  Nb   29.62 % Nb2O5
   Aluminum    0.13 %  Al    0.25 % Al2O3
   Zinc        0.05 %  Zn    0.07 % ZnO
   Iron        0.32 %  Fe    0.46 % Fe2O3
   Silicon    18.48 %  Si   39.53 % SiO2
   Hydrogen    1.25 %  H    11.21 % H2O
   Oxygen     46.21 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na0.84Ca0.64K0.44Ba0.02Sr0.01Ca0.64Mn2+0.05Zn0.01Nb2.7Ti1.28Fe3+0.07Si7.97Al0.06O24.09 OH1.23O2.75�6.92(H2O)
Help on Environment: Environment: Found replacing epistolite which was derived from vuonnemite. (labuntsovite group; structure refined)
Help on IMA Status: IMA Status: Approved IMA 2002 (Dana # Added)
Help on Locality: Locality: Ilimaussaq alkaline complex, South Greenland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Svend Karup-Moller (1936-), Danish mineralogist.
Help on Synonym: Synonym: IMA2001-028

Karupmollerite-Ca Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image


Comments: Small white fragment of kaupmollerite-Ca in a geletin capsule.
Location: Mellemelv, Ilimaussaq, Greenland. Scale: Capsule Size 1 cm.
© Sergey Vasiliev / Systematic Mineralogy

Karupmollerite-Ca Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.03:1:0.5568
Help on Cell Dimensions: Cell Dimensions: a = 14.641, b = 14.214, c = 7.9148, Z = 2; beta = 117.36° V = 1,462.87 Den(Calc)= 2.75
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.026(1)(001), 4.996(0.74)(021), 7.104(0.73)(020),3.171(0.56)(041), 6.482(0.45)(201), 3.15(0.38), 3.253(0.38),

Physical Properties of Karupmollerite-Ca

Help on Cleavage: Cleavage: None
Help on Color: Color: White, Grayish white, Pinkish white.
Help on Density: Density: 2.71
Help on Diaphaneity: Diaphaneity: Translucent
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Habit: Habit: Pseudomorphous - Occurs in the form of another mineral.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: white

Optical Properties of Karupmollerite-Ca

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.003 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.018 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2513,KPDmeas= 0.255,KC= 0.2559
Ncalc = 1.69 - 1.7

Calculated Properties of Karupmollerite-Ca

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.66 gm/cc
note: Specific Gravity of Karupmollerite-Ca =2.71 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEKarupmollerite-Ca = 33.30 barns/electron
U=PEKarupmollerite-Ca x relectron= 88.56 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 20.09 (Gamma Ray American Petroleum Institute Units)
Concentration of Karupmollerite-Ca per GRapi unit = 4.98 (%)

Estimated Radioactivity from Karupmollerite-Ca - barely detectable


Karupmollerite-Ca Classification

Help on  Dana Class: Dana Class: 60.01.03c.03 (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 Karupmollerite-Ca 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 Karupmollerite-Ca :
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 Karupmollerite-Ca using:

Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Karupmollerite-Ca :

Ask about Karupmollerite-Ca 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 Español

Print or Cut-and-Paste your Karupmollerite-Ca Specimen Label here :


Dana No: 60.01.03c.03 Strunz No: 09.CE.30c





Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.