Magbasite Mineral Data

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


Dan Weinrich Auctions
[Mineral Auctions] [Register] [Current Auctions] [Log In] [www.danweinrich.com]
Dan Weinrich Auctions
Specializing In Live Weekly Auctions Of Top Quality Mineral Specimens
The Place To Find Great Specimens At Great Prices!


General Magbasite Information

Help on Chemical Formula: Chemical Formula: KBa(Al,Sc)(Mg,Fe++)6Si6O20F2
Help on Composition: Composition: Molecular Weight = 943.31 gm
   Potassium   4.14 %  K     4.99 % K2O
   Barium     14.56 %  Ba   16.25 % BaO
   Magnesium  10.31 %  Mg   17.09 % MgO
   Scandium    1.19 %  Sc    1.83 % Sc2O3
   Aluminum    2.15 %  Al    4.05 % Al2O3
   Iron       11.84 %  Fe   15.23 % FeO
   Silicon    17.86 %  Si   38.22 % SiO2
   Oxygen     33.92 %  O
   Fluorine    4.03 %  F     4.03 % F
                -   %   F    -1.70 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: KBaAl0.75Sc0.25Mg4Fe2+2Si6O20F2
Help on Environment: Environment: Hydorthermal deposits.
Help on IMA Status: IMA Status: Approved IMA 1965
Help on Locality: Locality: Asian part of Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its composition of Mg, Ba, and Si.
Help on Name Pronunciation: Name Pronunciation: Magbasite + Pronunciation Say MAGBASITE
 

Search for Magbasite 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.
  

Magbasite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.1898:1:0.279
Help on Cell Dimensions: Cell Dimensions: a = 22.56, b = 18.96, c = 5.29, Z = 6; V = 2,262.73 Den(Calc)= 4.15
Help on Crystal System: Crystal System: OrthorhombicSpace Group: P?
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.2(1), 3.63(1), 2.59(0.8),
 

Physical Properties of Magbasite

Help on Color: Color: Colorless, Pink violet.
Help on Density: Density: 3.41
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Magbasite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.053 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.222 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1463,KPDmeas= 0.178,KC= 0.1879
Ncalc = 1.64 - 1.78
Help on Optical Data: Optical Data: Biaxial (-), a=1.597, b=1.609, g=1.615, bire=0.0180, 2V(Calc)=70, 2V(Meas)=70.
 

Calculated Properties of Magbasite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.27 gm/cc
note: Specific Gravity of Magbasite =3.41 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.04
Boson Index = 0.96
Help on Photoelectric: Photoelectric: PEMagbasite = 66.10 barns/electron
U=PEMagbasite x relectron= 216.02 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 57.32 (Gamma Ray American Petroleum Institute Units)
Concentration of Magbasite per GRapi unit = 1.74 (%)

Estimated Radioactivity from Magbasite - barely detectable

 

Magbasite Classification
Help on Dana Class: Dana Class: 69.02.01c.01 (69)Inosilicate Chains with Side Branches or Loops
  (69.02)with P>2
  (69.02.01c)Aenigmatite and related species (Magbasite subgroup)
 
69.02.01c.01 Magbasite KBa(Al,Sc)(Mg,Fe)6Si6O20F2 P? Ortho
Help on Strunz Class: Strunz Class: 09.HA.25 09 - SILICATES (Germanates)
  09.H - Unclassified Silicates
  09.HA -With alkali and alkali-earth Elements
 
09.HA.25 Magbasite KBa(Al,Sc)(Mg,Fe)6Si6O20F2 P? Ortho
 

Other Magbasite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Magbasite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Magbasite using:

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

Visit our Advertisers for Magbasite :

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 Magbasite Mineral Data :

Ask about Magbasite 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 Magbasite Specimen Label here :

Magbasite

KBa(Al,Sc)(Mg,Fe++)6Si6O20F2
Dana No: 69.02.01c.01 Strunz No: 09.HA.25
Locality:

 

Notes: