Kuzmenkoite-Mn Mineral Data

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



[Newest Minerals] [Mineral Auctions] [Mineral Gallery]
The Mineral Gallery's Exceptional Specimens and Mineral Hall of Fame
Visa, PayPal, and Mastercard are Welcomed


General Kuzmenkoite-Mn Information

Help on Chemical Formula: Chemical Formula: (K,Na)2(Mn,Fe)(Ti,Nb)4[Si4O12]2(OH)4•5(H2O)
Help on Composition: Composition: Molecular Weight = 1,095.05 gm
   Potassium   6.07 %  K     7.31 % K2O
   Sodium      0.63 %  Na    0.85 % Na2O
   Titanium   15.74 %  Ti   26.26 % TiO2
   Manganese   3.51 %  Mn    4.53 % MnO
   Niobium     3.39 %  Nb    4.85 % Nb2O5
   Iron        1.02 %  Fe    1.31 % FeO
   Silicon    20.52 %  Si   43.90 % SiO2
   Hydrogen    1.24 %  H    11.06 % H2O
   Oxygen     47.88 %  O
             ______        ______ 
             100.00 %      100.07 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K1.7Na0.3Mn2+0.7Fe2+0.2Ti3.6Nb0.4Si8O24(OH)4.1·4.67(H2O)
Help on Environment: Environment: Late hydrothermal phase in minute cavities in albitized murmanite-bearing lujavrites. Also pseudomorphous after murmanite. Structurally related to labuntsovite.
Help on IMA Status: IMA Status: Approved IMA 2000 (Dana # Added)
Help on Locality: Locality: Mt. Flora (north ridge of Mt. Selsurt) in the northern part of the 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).
Help on Synonym: Synonym: IMA1998-058
  IMA2000-A
  Kuzmenkoite
 

Kuzmenkoite-Mn Image

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

Kuzmenkoite-Mn

Comments: Yellowish brown kuzmenkoite-Mn crystals on matrix, with smaller, more brown colored labuntsovite-Mn.
Location: Mnt Flora, Lovozero, Kola, Russia. Scale: Sample Size 2x3 cm.
© Diederik Visser
Click Here for Larger Kuzmenkoite-Mn Image in a New Browser Window Images:
Click Here for Larger Kuzmenkoite-Mn Image

Kuzmenkoite-Mn   Calciohilairite

Comments: White rhombododecahedral crystals of calciohilairite associated with orange=brown stout prismatic kuzmenkoite-Mn on matrix.
Location: Flora Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: FOV ~1x1 cm.
© Pavel M. Kartashov

Kuzmenkoite-Mn Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.0332:1:1.0139
Help on Cell Dimensions: Cell Dimensions: a = 14.369, b = 13.906, c = 14.1, Z = 4; beta = 117.09° V = 2,508.31 Den(Calc)= 2.90
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): 3.17(1)(421,402), 7(0.9)(001,020), 6.33(0.8)(201), 4.86(0.7)(021,111), 3.08(0.5)(022,041), 1.551(0.4)(843,173,82
Help on Forms: Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
Help on Above

Forms: ( 3 0 1) ( 0 1 0) ( 1 1 0) ( 1 0 0) ( 0 0 1)

Warning: this large pop-up is very compute intensive and may not work well with some computers.
Click Here for Large Kuzmenkoite-Mn Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Rastsvetaeva R K , Chukanov N V , Pekov I V , Crystallography Reports , 45 (2000) p.759-761, Refined crystal structure of kuzmenkoite, Locality: Lovozero massif, Kola Peninsula, Russia

 

Physical Properties of Kuzmenkoite-Mn

Help on Cleavage: Cleavage: {???} Imperfect
Help on Color: Color: Yellow, Dark orange, Colorless.
Help on Density: Density: 2.67 - 2.97, Average = 2.82
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Kuzmenkoite-Mn

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.069 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.095 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2466,KPDmeas= 0.2535,KC= 0.2724
Ncalc = 1.73 - 1.81
Help on Optical Data: Optical Data: Biaxial (+), a=1.683, b=1.687, g=1.775, bire=0.0920
 

Calculated Properties of Kuzmenkoite-Mn

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.79 gm/cc
note: Specific Gravity of Kuzmenkoite-Mn =2.82 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEKuzmenkoite-Mn = 10.01 barns/electron
U=PEKuzmenkoite-Mn x relectron= 27.93 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 86.61 (Gamma Ray American Petroleum Institute Units)
Concentration of Kuzmenkoite-Mn per GRapi unit = 1.15 (%)

Estimated Radioactivity from Kuzmenkoite-Mn - barely detectable

 

Kuzmenkoite-Mn Classification
Help on Dana Class: Dana Class: 60.01.03c.01 (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-Mn Information
Help on References: References: NAME( AmMin, vol 85, p 1562) PHYS. PROP.(AmMin, vol 85, p 1562) OPTIC PROP.(AmMin, vol 85, p 1562)
Help on See Also: See Also: Links to other databases for Kuzmenkoite-Mn :
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
10 - Ruff.Info

Search for Kuzmenkoite-Mn using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Kuzmenkoite-Mn :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Kuzmenkoite-Mn Mineral Data :

Ask about Kuzmenkoite-Mn 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-Mn Specimen Label here :

Kuzmenkoite-Mn

(K,Na)2(Mn,Fe)(Ti,Nb)4[Si4O12]2(OH)4•5(H2O)
Dana No: 60.01.03c.01 Strunz No: 09.CE.30c
Locality:

 

Notes: