Kotoite Mineral Data

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


General Kotoite Information

Help on Chemical Formula: Chemical Formula: Mg3B2O6
Help on Composition: Composition: Molecular Weight = 190.53 gm
   Magnesium  38.27 %  Mg   63.46 % MgO
   Boron      11.35 %  B    36.54 % B2O3
   Oxygen     50.38 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg3B2O6
Help on Environment: Environment: Contact metamorphosed dolomite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1939
Help on Locality: Locality: Hol Kol mine, Suan, Korea. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Bundjiro Koto (1856-1935), Japanese geologist.
Help on Name Pronunciation: Name Pronunciation: Kotoite Say KOTOITE
Help on Synonym: Synonym: ICSD 31385
  PDF 381475
 

Kotoite Image

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

Kotoite

Comments: White massive kotoite crystals.
Location: Baita Mine (Rézbánya), Nucet, Bihor Co., Romania. Scale: Picture size 8 mm.
© Thomas Witzke / Abraxas-Verlag

Kotoite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.6413:1:0.5343
Help on Cell Dimensions: Cell Dimensions: a = 5.398, b = 8.416, c = 4.497, Z = 2; V = 204.30 Den(Calc)= 3.10
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnmn
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.18(1), 2.23(1), 2.67(1),
Click Here for Large Kotoite 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


Effenberger H , Pertlik F , Zeitschrift fur Kristallographie , 166 (1984) p.129-140, Verfeinerung der kristallstrukturen der isotypen verbindungen, M3(BO3)2 mit M=Mg, Co und Ni (strukturtyp: kotoit), Locality: synthetic

 

Physical Properties of Kotoite

Help on Cleavage: Cleavage: {110} Perfect
Help on Color: Color: Colorless, White.
Help on Density: Density: 3.04
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 6.5 - Pyrite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Kotoite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.056 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.035 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2127,KPDmeas= 0.2169,KC= 0.2055
Ncalc = 1.62 - 1.64
Help on Optical Data: Optical Data: Biaxial (+), a=1.652, b=1.653, g=1.673, bire=0.0210, 2V(Calc)=26, 2V(Meas)=21.
 

Calculated Properties of Kotoite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.06 gm/cc
note: Specific Gravity of Kotoite =3.10 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PEKotoite = 0.97 barns/electron
U=PEKotoite x rElectron Density= 2.97 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kotoite is Not Radioactive
 

Kotoite Classification
Help on Dana Class: Dana Class: 24.03.02.01 (24)Borates - Anhydrous
  (24.03)where (A)m (B)n [XO3]p
  (24.03.02)Dana Group
 
24.03.02.01 Kotoite Mg3B2O6 Pnmn 2/m 2/m 2/m
 
24.03.02.02 Jimboite Mn3B2O6 Pnmn,Pmmn 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 06.AA.35 06 - BORATES
  06.A - Monoborates
  06.AA -BO3, without additional anions; 1(D)
 
06.AA.35 Jimboite Mn3B2O6 Pnmn,Pmmn 2/m 2/m 2/m
 
06.AA.35 Kotoite Mg3B2O6 Pnmn 2/m 2/m 2/m
 

Other Kotoite 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 Kotoite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

Search for Kotoite using:

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

Visit our Advertisers for Kotoite :

A Bijoux Google Search for Kotoite
Adam's Minerals Google Search for Kotoite
Cape Minerals Google Search for Kotoite
Dakota Matrix Minerals Google Search for Kotoite
Excalibur Mineral Corp. Google Search for Kotoite
Exceptional Minerals Google Search for Kotoite
John Betts Fine Minerals Search for Kotoite
McDougall Minerals Google Search for Kotoite
Mineral News Website Link
Rock and Mineral Shows Google Search for Kotoite
Weinrich Minerals, Inc. Google Search for Kotoite

Ask about Kotoite 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 Kotoite Specimen Label here :

Kotoite

Mg3B2O6
Dana No: 24.03.02.01 Strunz No: 06.AA.35
Locality:

 

Notes: