Jasmundite Mineral Data

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



[Newest Minerals] [Mineral Auctions] [Mineral Gallery]
The Mineral Gallery's Exceptional Specimens and Mineral Hall of Fame
Visa, PayPal, and Mastercard are Welcomed


General Jasmundite Information

Help on Chemical Formula: Chemical Formula: Ca11(SiO4)4O2S
Help on Composition: Composition: Molecular Weight = 873.26 gm
   Calcium  50.48 %  Ca   70.64 % CaO
   Silicon  12.86 %  Si   27.52 % SiO2
   Sulfur    3.67 %  S     3.67 % S2-
              -   %  S    -1.83 % -O=S 
   Oxygen   32.98 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca11(SiO4)4O2S
Help on Environment: Environment: In metamorphosed limestone inclusions in basalt.
Help on IMA Status: IMA Status: Approved IMA 1981
Help on Locality: Locality: Bellerberg volcano, two km north of Mayen, Eifel district, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Karl Jasmund, retired Director of the Mineralogical-Petrographic Institute, University of Cologne, Cologne, Germany.
Help on Name Pronunciation: Name Pronunciation: Jasmundite + Pronunciation Say JASMUNDITE
Help on Synonym: Synonym: ICSD 63412
  PDF 33-296
 

Jasmundite Image

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

Jasmundite   Cuspidine

Comments: Tan-brownish crystals of jasmundite and dark green cuspidine with gehlenite and spinel in matrix.
Location: Bellerberg, Eifel, Germany. Scale: Not Given.
© Diederik Visser

Jasmundite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.84246
Help on Cell Dimensions: Cell Dimensions: a = 10.461, c = 8.813, Z = 2; V = 964.43 Den(Calc)= 3.01
Help on Crystal System: Crystal System: Tetragonal - ScalenohedralH-M Symbol (4 2m) Space Group: I 42m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.832(1), 3.242(0.42), 2.615(0.35),
Click Here for Large Jasmundite 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


Dent Glasser L S , Lee C K , Acta Crystallographica, Section B , 37 (1981) p.803-806, The structure of jasmundite, Ca22(SiO4)8O4S2, Locality: Ettringer Feld lava flow, Bellerberg volcano, Mayen, Eifel, Germany

 

Physical Properties of Jasmundite

Help on Cleavage: Cleavage: None
Help on Color: Color: Brownish green, Greenish brown, Dark brown.
Help on Density: Density: 3.03
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Resinous
Help on Streak: Streak: white
 

Optical Properties of Jasmundite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.158 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.166 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2397,KPDmeas= 0.2381,KC= 0.2056
Ncalc = 1.62
Help on Optical Data: Optical Data: Uniaxial (+), w=1.715, e=1.728, bire=0.0130.
 

Calculated Properties of Jasmundite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.03 gm/cc
note: Specific Gravity of Jasmundite =3.03 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0071230718
Boson Index = 0.9928769282
Help on Photoelectric: Photoelectric: PEJasmundite = 6.86 barns/electron
U=PEJasmundite x rElectron Density= 20.77 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Jasmundite is Not Radioactive
 

Jasmundite Classification
Help on Dana Class: Dana Class: 52.04.07.04 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O
  (52.04)with cations in [6] and/or > [6] coordination
  (52.04.07)Afwillite and related species
 
52.04.07.01 Afwillite Ca3Si2O4(OH)6 P 21 2
 
52.04.07.02 Bultfonteinite Ca2SiO2(OH,F)4 P1 1
 
52.04.07.03 Hatrurite Ca3SiO5 R 3m 3m
 
52.04.07.04 Jasmundite Ca11(SiO4)4O2S I 42m 4 2m
Help on Strunz Class: Strunz Class: 09.AG.70 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AG -Nesosilicates with additional anions; cations in > [6] ± [6] coordination
 
09.AG.70 Jasmundite Ca11(SiO4)4O2S I 42m 4 2m
 

Other Jasmundite Information
Help on References: References: NAME( AntBidBlaNic2) 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 Jasmundite :
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
15 - WWW-MINCRYST

Search for Jasmundite using:

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

Visit our Advertisers for Jasmundite :

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 Jasmundite Mineral Data :

Ask about Jasmundite 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 Jasmundite Specimen Label here :

Jasmundite

Ca11(SiO4)4O2S
Dana No: 52.04.07.04 Strunz No: 09.AG.70
Locality:

 

Notes: