Schaurteite Mineral Data

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



[On-Line Catalogue] [On-Line Auctions] [eBay] [Contact Us] [Policies]
We specialize in fine European and Asian Mineral Specimens
Heliodor is based in Prague, Czech Republic


General Schaurteite Information

Help on Chemical Formula: Chemical Formula: Ca3Ge++++(SO4)2(OH)6•3(H2O)
Help on Composition: Composition: Molecular Weight = 541.06 gm
   Calcium    22.22 %  Ca   31.09 % CaO
   Germanium  13.42 %  Ge   19.33 % GeO2
   Hydrogen    2.24 %  H    19.98 % H2O
   Sulfur     11.85 %  S    29.60 % SO3
   Oxygen     50.27 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca3Ge(SO4)2(OH)6•3(H2O)
Help on Environment: Environment: Alteration product of Ge-bearing ores.
Help on IMA Status: IMA Status: Approved IMA 1965
Help on Locality: Locality: Tsumeb, Namibia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Werner T. Schaurte (1892-1978), South African scientist.
Help on Name Pronunciation: Name Pronunciation: Schaurteite + Pronunciation Say SCHAURTEITE
 

Schaurteite Image

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

Schaurteite   Tennantite

Comments: Bright white silky fibrous schaurteite on dark tennantite.
Location: Tsumeb, Oshikoto, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
Click Here for Larger Schaurteite Image in a New Browser Window Images:
Click Here for Larger Schaurteite Image

Schaurteite

Comments: Snow white acicular crystals of schauteite to about 1mm in a matted mass.
Location: Tsumeb mine, Tsumeb, Namibia. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Schaurteite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.26721
Help on Cell Dimensions: Cell Dimensions: a = 8.525, c = 10.803, Z = 2; V = 679.93 Den(Calc)= 2.64
Help on Crystal System: Crystal System: Hexagonal - Ditrigonal DipyramidalH-M Symbol (6 m2) Space Group: P 62c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.34(1), 4.26(0.7), 2.139(0.6),
 

Physical Properties of Schaurteite

Help on Color: Color: Silky white.
Help on Density: Density: 2.65
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Silky
Help on Streak: Streak: white
 

Optical Properties of Schaurteite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.004 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2178,KPDmeas= 0.217,KC= 0.2179
Ncalc = 1.58
Help on Optical Data: Optical Data: Uniaxial (+), w=1.569, e=1.581, bire=0.0120.
 

Calculated Properties of Schaurteite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.65 gm/cc
note: Specific Gravity of Schaurteite =2.64 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PESchaurteite = 11.23 barns/electron
U=PESchaurteite x rElectron Density= 29.81 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Schaurteite is Not Radioactive
 

Schaurteite Classification
Help on Dana Class: Dana Class: 31.07.06.02 (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.07)where (A+ B++)2 (XO4) Zq·x(H2O)
  (31.07.06)Despujolsite Group
 
31.07.06.01 Despujolsite Ca3Mn(SO4)2(OH)6•3(H2O) P 62c 6 m2
 
31.07.06.02 Schaurteite Ca3Ge(SO4)2(OH)6•3(H2O) P 62c 6 m2
 
31.07.06.03 Fleischerite Pb3Ge(SO4)2(OH)6•3(H2O) P 63/mmc 6/m 2/m 2/m
 
31.07.06.04 Mallestigite! Pb3Sb(SO4)(AsO4)(OH)6•3(H2O) P 63 6 2 2
Help on Strunz Class: Strunz Class: 07.DF.25 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DF -With large and medium-sized cations
 
07.DF.25 Despujolsite Ca3Mn(SO4)2(OH)6•3(H2O) P 62c 6 m2
 
07.DF.25 Fleischerite Pb3Ge(SO4)2(OH)6•3(H2O) P 63/mmc 6/m 2/m 2/m
 
07.DF.25 Mallestigite! Pb3Sb(SO4)(AsO4)(OH)6•3(H2O) P 63 6 2 2
 
07.DF.25 Schaurteite Ca3Ge(SO4)2(OH)6•3(H2O) P 62c 6 m2
 

Other Schaurteite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Schaurteite :
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 Schaurteite using:

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

Visit our Advertisers for Schaurteite :

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 Schaurteite Mineral Data :

Ask about Schaurteite 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 Schaurteite Specimen Label here :

Schaurteite

Ca3Ge++++(SO4)2(OH)6•3(H2O)
Dana No: 31.07.06.02 Strunz No: 07.DF.25
Locality:

 

Notes: