Sakhaite Mineral Data

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


General Sakhaite Information

Help on Chemical Formula: Chemical Formula: Ca3Mg(BO3)2(CO3)•0.36(H2O)
Help on Composition: Composition: Molecular Weight = 328.65 gm
   Calcium    36.58 %  Ca   51.19 % CaO
   Magnesium   7.40 %  Mg   12.26 % MgO
   Boron       6.58 %  B    21.18 % B2O3
   Hydrogen    0.22 %  H     1.97 % H2O
   Carbon      3.65 %  C    13.39 % CO2
   Oxygen     45.57 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca3Mg(BO3)2(CO3)•0.36(H2O)
Help on Environment: Environment: In a skarn.
Help on IMA Status: IMA Status: Approved IMA 1966
Help on Locality: Locality: Solongo, Transbaikalia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality, Sakha being the name for Siberia in the Yakut language.
Help on Name Pronunciation: Name Pronunciation: Sakhaite Say SAKHAITE
Help on Synonym: Synonym: ICSD 20203
  PDF 19-1112
 

Sakhaite Image

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

Sakhaite

Comments: Dark gray octahedron of sakhaite embedded in gray calcite.
Location: Titovskoe, Sakha (Yakutia) Republic, Russia. Scale: See Image.
© Rruff Database

Sakhaite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 14.685, Z = 16; V = 3,166.81 Den(Calc)= 2.76
Help on Crystal System: Crystal System: Isometric - GyroidalH-M Symbol (4 3 2) Space Group: F 4132
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.58(1), 2.108(0.56), 5.16(0.22),
Click Here for Large Sakhaite 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


Yakubovich O V , Egorov-Tismenko Yu K , Simonov M A , Belov N V , Doklady Akademii Nauk SSSR , 239 (1978) p.1103-1106, Crystal structure of natural sakhaite Ca3Mg[BO3]2[CO3]*0.36H2O

 

Physical Properties of Sakhaite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, Gray, Gray white.
Help on Density: Density: 2.78 - 2.83, Average = 2.8
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: white
 

Optical Properties of Sakhaite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.079 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.096 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.233,KPDmeas= 0.2292,KC= 0.2125
Ncalc = 1.59 - 1.6
Help on Optical Data: Optical Data: Isotropic, n=1.638-1.648.
 

Calculated Properties of Sakhaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.79 gm/cc
note: Specific Gravity of Sakhaite =2.81 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PESakhaite = 4.78 barns/electron
U=PESakhaite x rElectron Density= 13.35 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sakhaite is Not Radioactive
 

Sakhaite Classification
Help on Dana Class: Dana Class: 27.01.04.01 (27)Compound Borates
  (27.01)Dana Type
  (27.01.04)Dana Group
 
27.01.04.01 Sakhaite Ca3Mg(BO3)2(CO3)•0.36(H2O) F 4132 4 3 2
Help on Strunz Class: Strunz Class: 06.AB.65 06 - BORATES
  06.A - Monoborates
  06.AB -BO3, with additional anions; 1(D) + OH, etc.
 
06.AB.65 Sakhaite Ca3Mg(BO3)2(CO3)•0.36(H2O) F 4132 4 3 2
 

Other Sakhaite 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 Sakhaite :
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 Sakhaite using:

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

Visit our Advertisers for Sakhaite :

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

Ask about Sakhaite 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 Sakhaite Specimen Label here :

Sakhaite

Ca3Mg(BO3)2(CO3)•0.36(H2O)
Dana No: 27.01.04.01 Strunz No: 06.AB.65
Locality:

 

Notes: