Dolomite Mineral Data

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


General Dolomite Information

Help on Chemical Formula: Chemical Formula: CaMg(CO3)2
Help on Composition: Composition: Molecular Weight = 184.40 gm
   Calcium    21.73 %  Ca   30.41 % CaO
   Magnesium  13.18 %  Mg   21.86 % MgO
   Carbon     13.03 %  C    47.73 % CO2
   Oxygen     52.06 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaMg(CO3)2
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1791
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the French mineralogist and geologist, Deodat Guy Tancrede Gratet de Dolomieu (1750-1801).
Help on Name Pronunciation: Name Pronunciation: Dolomite Say DOLOMITE
Help on Synonym: Synonym: ICSD 31336
  PDF 36-426
 

Dolomite Image

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

Dolomite

Comments: Pink rhombohedral crystals of dolomite on matrix.
Location: Eugui, Navarra Province, Navarra, Spain. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
Click Here for Larger Dolomite Image in a New Browser Window Images:
Click Here for Larger Dolomite Image

Dolomite   Dissakisite-(Ce)

Comments: Small, prisimatic, acicular crystals of tan-colored dissakisite-(Ce) scatterd on white crystalline dolomite.
Location: Trimouns mine, Luzenac, Ariège France. Scale: Picture size 5 cm.
© Fabre Minerals

Dolomite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:3.29409
Help on Cell Dimensions: Cell Dimensions: a = 4.842, c = 15.95, Z = 3; V = 323.85 Den(Calc)= 2.84
Help on Crystal System: Crystal System: Trigonal - RhombohedralH-M Symbol ( 3) Space Group: R 3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.883(1), 1.785(0.6), 2.191(0.5),
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: ( 1 0 1)

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


Steinfink H , Sans F J , American Mineralogist , 44 (1959) p.679-682, Refinement of the crystal structure of dolomite

View Additional jPOWD Structure files for Dolomite
[1] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [2] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [3] [30] [31] [32] [33] [34] [35] [36] [37] [38] [39] [4] [40] [41] [42] [43] [44] [45] [46] [47] [48] [49] [5] [50] [6] [7] [8] [9]
 

Physical Properties of Dolomite

Help on Cleavage: Cleavage: {1011} Perfect, {1011} Perfect, {1011} Perfect
Help on Color: Color: White, Gray, Reddish white, Brownish white, Gray.
Help on Density: Density: 2.8 - 2.9, Average = 2.84
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Blocky - Rhombohedral - Crystal shape resembles rhomohedrons.
Help on Habit: Habit: Crystalline - Coarse - Occurs as well-formed coarse sized crystals.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Dolomite

Help on Dichroism (e): Dichroism (e): none.
Help on Dichroism (w): Dichroism (w): none.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.006 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.003 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2077,KPDmeas= 0.207,KC= 0.2083
Ncalc = 1.58 - 1.6
Help on Optical Data: Optical Data: Uniaxial (-), e=1.5, w=1.679-1.681, bire=0.1790-0.1810.
 

Calculated Properties of Dolomite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.83 gm/cc
note: Specific Gravity of Dolomite =2.84 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEDolomite = 3.13 barns/electron
U=PEDolomite x rElectron Density= 8.86 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Dolomite is Not Radioactive
 

Dolomite Classification
Help on Dana Class: Dana Class: 14.02.01.01 (14)Anhydrous Carbonates
  (14.02)with Compound Formula A+ B++ (CO3)2
  (14.02.01)Dolomite Group (Trigonal: R-3)
 
14.02.01.01 Dolomite CaMg(CO3)2 R 3 3
 
14.02.01.02 Ankerite Ca(Fe,Mg,Mn)(CO3)2 R 3 3
 
14.02.01.03 Kutnohorite Ca(Mn,Mg,Fe)(CO3)2 R 3 3
 
14.02.01.04 Minrecordite CaZn(CO3)2 R 3 3
Help on Strunz Class: Strunz Class: 05.AB.10 05 - CARBONATES (NITRATES)
  05.A - Carbonates without additional anions, without H2O
  05.AB -Alkali-earth (and other M2+) carbonates
 
05.AB.10 Ankerite Ca(Fe,Mg,Mn)(CO3)2 R 3 3
 
05.AB.10 Dolomite CaMg(CO3)2 R 3 3
 
05.AB.10 Kutnohorite Ca(Mn,Mg,Fe)(CO3)2 R 3 3
 
05.AB.10 Minrecordite CaZn(CO3)2 R 3 3
 

Other Dolomite Information
Help on References: References: NAME( ODonoghue90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Dolomite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - EUROmin Project
7 - Ecole des Mines de Paris
8 - Franklin Minerals(Dunn)
9 - Franklin Minerals(Palache)
10 - GeoScienceWorld
11 - Glendale Community College
12 - Google Images
13 - Google Scholar
14 - Handbook of Mineralogy (MinSocAm)
15 - Handbook of Mineralogy (UofA)
16 - HyperPhysics
17 - MinDAT
18 - Mineral and Gemstone Kingdom
19 - Mineralienatlas (Deutsch)
20 - Minerals in Thin Sections-Humboldt State
21 - NSDL Reciprocal Net (JAVA)
22 - Online Mineral Museum
23 - Philatelic Mineralogy
24 - QUT Mineral Atlas
25 - Ruff.Info
26 - Scandinavian mineral gallery
27 - University of Colorado - Mineral Structure Data
28 - WWW-MINCRYST
29 - YupRocks

Search for Dolomite using:

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

Visit our Advertisers for Dolomite :

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

Ask about Dolomite 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 Dolomite Specimen Label here :

Dolomite

CaMg(CO3)2
Dana No: 14.02.01.01 Strunz No: 05.AB.10
Locality:

 

Notes: