Huntite Mineral Data

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


General Huntite Information

Help on Chemical Formula: Chemical Formula: CaMg3(CO3)4
Help on Composition: Composition: Molecular Weight = 353.03 gm
   Calcium    11.35 %  Ca   15.88 % CaO
   Magnesium  20.65 %  Mg   34.25 % MgO
   Carbon     13.61 %  C    49.87 % CO2
   Oxygen     54.38 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaMg3(CO3)4
Help on Environment: Environment: Vugs and coating fractures in rock; as flowstone and incrustations in caves; typically precipitated by evaporative concentration of meteoric solutions weathering magnesite- or dolom ite-bearing rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1955
Help on Locality: Locality: Ala-Mar deposit, Currant Creek district, and the Gabbs mine, Gabbs district, Nye Co., Nevada, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Walter Frederick Hunt (1882-1975), University of Michigan, Ann Arbor, Michigan, USA.
Help on Name Pronunciation: Name Pronunciation: Huntite Say HUNTITE
Help on Synonym: Synonym: ICSD 201729
  PDF 14-409
 

Huntite Image

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

Huntite

Comments: pure white chalky massive huntite.
Location: Near Austin, Lander County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Huntite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.82305
Help on Cell Dimensions: Cell Dimensions: a = 9.5027, c = 7.8212, Z = 3; V = 611.64 Den(Calc)= 2.88
Help on Crystal System: Crystal System: Trigonal - TrapezohedralH-M Symbol (3 2) Space Group: R 32
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.833(1), 1.972(0.3), 2.888(0.2),
Click Here for Large Huntite 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


Dollase W A , Reeder R J , American Mineralogist , 71 (1986) p.163-166, Crystal structure refinement of huntite, CaMg3(CO3)4, with X-ray powder data

 

Physical Properties of Huntite

Help on Cleavage: Cleavage: None
Help on Color: Color: White, Lemon white.
Help on Density: Density: 2.696
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Hardness: Hardness: 1-2 - Between Talc and Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: white
 

Optical Properties of Huntite

Help on Optical Data: Optical Data: NCalc= 1.6 - from Gladstone-Dale relationship (KC = 0.2071) where Ncalc=Dcalc*KC+1
NCalc= 1.56 - from Gladstone-Dale relationship (KC = 0.2071) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Huntite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.87 gm/cc
note: Specific Gravity of Huntite =2.88 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEHuntite = 2.03 barns/electron
U=PEHuntite x rElectron Density= 5.83 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Huntite is Not Radioactive
 

Huntite Classification
Help on Dana Class: Dana Class: 14.04.03.01 (14)Anhydrous Carbonates
  (14.04)with Compound Formula A+2 B++2 (CO3)4
  (14.04.03)Dana Group
 
14.04.03.01 Huntite CaMg3(CO3)4 R 32 3 2
Help on Strunz Class: Strunz Class: 05.AB.25 05 - CARBONATES (NITRATES)
  05.A - Carbonates without additional anions, without H2O
  05.AB -Alkali-earth (and other M2+) carbonates
 
05.AB.25 Huntite CaMg3(CO3)4 R 32 3 2
 

Other Huntite Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Huntite :
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 Huntite using:

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

Visit our Advertisers for Huntite :

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

Ask about Huntite 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 Huntite Specimen Label here :

Huntite

CaMg3(CO3)4
Dana No: 14.04.03.01 Strunz No: 05.AB.25
Locality:

 

Notes: