Paralstonite Mineral Data

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


General Paralstonite Information

Help on Chemical Formula: Chemical Formula: BaCa(CO3)2
Help on Composition: Composition: Molecular Weight = 297.42 gm
   Barium   46.17 %  Ba   51.55 % BaO
   Calcium  13.48 %  Ca   18.85 % CaO
   Carbon    8.08 %  C    29.59 % CO2
   Oxygen   32.28 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: BaCa(CO3)2
Help on Environment: Environment: Low-temperature hydrothermal Pb–Zn deposits.
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: Minerva No. 1 and Annabel Lee mines, Cave-in-Rock, Hardin Co., Illinois, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Greek for near and its morphological and chemical relation with alstonite.
Help on Name Pronunciation: Name Pronunciation: Paralstonite + Pronunciation Say PARALSTONITE
Help on Synonym: Synonym: ICSD 100477
  PDF 33-178
 

Paralstonite Image

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

Paralstonite

Comments: Translucent bright white steep pyramidal paralstonite microcrystals on fluorite.
Location: Bethel Level, Minerva #1 Mine, Cave-in-Rock, Hardin County, Illinois, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Paralstonite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.70731
Help on Cell Dimensions: Cell Dimensions: a = 8.692, c = 6.148, Z = 3; V = 402.26 Den(Calc)= 3.68
Help on Crystal System: Crystal System: Trigonal - TrapezohedralH-M Symbol (3 2) Space Group: P 321
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.55(1), 2.51(0.65), 2.048(0.2),
Click Here for Large Paralstonite 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 , Neues Jahrbuch fur Mineralogie, Monatshefte , 1980 (1980) p.353-363, Die kristallstruktur des minerals paralstonite, BaCa(CO3)2, Locality:Cave-in-Rock District, Illinois, USA

 

Physical Properties of Paralstonite

Help on Color: Color: Colorless, White.
Help on Density: Density: 3.6
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 4-4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Paralstonite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.009 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.03 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1629,KPDmeas= 0.1665,KC= 0.168
Ncalc = 1.6 - 1.62
Help on Optical Data: Optical Data: Uniaxial (-), e=1.527, w=1.672, bire=0.1450.
 

Calculated Properties of Paralstonite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.29 gm/cc
note: Specific Gravity of Paralstonite =3.60 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.08
Boson Index = 0.92
Help on Photoelectric: Photoelectric: PEParalstonite = 204.28 barns/electron
U=PEParalstonite x rElectron Density= 672.54 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Paralstonite is Not Radioactive
 

Paralstonite Classification
Help on Dana Class: Dana Class: 14.02.02.02 (14)Anhydrous Carbonates
  (14.02)with Compound Formula A+ B++ (CO3)2
  (14.02.02)Norsethite Group
 
14.02.02.01 Norsethite BaMg(CO3)2 R 32 3 2
 
14.02.02.02 Paralstonite BaCa(CO3)2 P 321 3 2
 
14.02.02.03 Olekminskite Sr(Sr,Ca,Ba)(CO3)2 P 321 3 2
Help on Strunz Class: Strunz Class: 05.AB.40 05 - CARBONATES (NITRATES)
  05.A - Carbonates without additional anions, without H2O
  05.AB -Alkali-earth (and other M2+) carbonates
 
05.AB.40 Olekminskite Sr(Sr,Ca,Ba)(CO3)2 P 321 3 2
 
05.AB.40 Paralstonite BaCa(CO3)2 P 321 3 2
 

Other Paralstonite Information
Help on References: References: NAME( AntBidBlaNic3) 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 Paralstonite :
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 Paralstonite using:

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

Visit our Advertisers for Paralstonite :

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

Ask about Paralstonite 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 Paralstonite Specimen Label here :

Paralstonite

BaCa(CO3)2
Dana No: 14.02.02.02 Strunz No: 05.AB.40
Locality:

 

Notes: