Orschallite Mineral Data

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



[Content and History] [Recent Issues] [Back Issues] [Subscriptions] [Contacts]
See Also: [Diamond Crystals] [Excalibur Minerals] [Hudson Institute] [Minerals on CDROM]
Mineral News was founded some twenty years ago and has developed a following of
avid mineral collectors seeking timely information about new finds and other items
of interest to the collector community. Articles are solicited from collector and scientific authors.


General Orschallite Information

Help on Chemical Formula: Chemical Formula: Ca3(SO3)2SO4•12(H2O)
Help on Composition: Composition: Molecular Weight = 592.61 gm
   Calcium   20.29 %  Ca   28.39 % CaO
   Hydrogen   4.08 %  H    36.48 % H2O
   Sulfur    16.23 %  S    21.62 % SO2 / 13.51 % SO3
   Oxygen    59.40 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca3(SO3)2(SO4)•12(H2O)
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for P. Orschall, Cologne, Germany, who discovered the mineral.
Help on Name Pronunciation: Name Pronunciation: Orschallite + Pronunciation Say ORSCHALLITE
Help on Synonym: Synonym: ICSD 73997
  IMA1990-041
  PDF 45-1484
 

Search for Orschallite Images

Click Here To Search Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.
  

Orschallite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:2.49524
Help on Cell Dimensions: Cell Dimensions: a = 11.35, c = 28.321, Z = 6; V = 3,159.59 Den(Calc)= 1.87
Help on Crystal System: Crystal System: Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.73(1), 2.69(0.8), 8.11(0.8),
Click Here for Large Orschallite 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


Weidenthaler C , Tillmanns E , Hentschel G , Mineralogy and Petrology , 48 (1993) p.167-177, Orschallite, Ca3(SO3)2SO4*12H2O, a new, calcium-sulfite-sulfate-hydrate mineral, Locality: Hannebacher Ley, Hannebach, Eifel, Germany

 

Physical Properties of Orschallite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless.
Help on Density: Density: 1.9
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Orschallite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.014 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2647,KPDmeas= 0.2606,KC= 0.2642
Ncalc = 1.49 - 1.5
Help on Optical Data: Optical Data: Uniaxial (+), w=1.4941, e=1.496, bire=0.0019.
 

Calculated Properties of Orschallite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.94 gm/cc
note: Specific Gravity of Orschallite =1.87 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0017825961
Boson Index = 0.9982174039
Help on Photoelectric: Photoelectric: PEOrschallite = 3.45 barns/electron
U=PEOrschallite x rElectron Density= 6.70 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Orschallite is Not Radioactive
 

Orschallite Classification
Help on Dana Class: Dana Class: 34.08.07.01 (34)Selenites - Tellurites - Sulfites
  (34.08)Dana Type
  (34.08.07)Dana Group
 
34.08.07.01 Orschallite Ca3(SO3)2SO4•12(H2O) R 3c 3 2/m
Help on Strunz Class: Strunz Class: 04.JE.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JE -Sulfites
 
04.JE.15 Orschallite Ca3(SO3)2SO4•12(H2O) R 3c 3 2/m
 

Other Orschallite Information
Help on References: References: PHYS. PROP.(Am.Min.,Vol.79,p572,1994) OPTIC PROP.(Am.Min.,Vol.79,p572,1994)
Help on See Also: See Also: Links to other databases for Orschallite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Orschallite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Orschallite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Orschallite Mineral Data :

Ask about Orschallite 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 Orschallite Specimen Label here :

Orschallite

Ca3(SO3)2SO4•12(H2O)
Dana No: 34.08.07.01 Strunz No: 04.JE.15
Locality:

 

Notes: