Zykaite  Mineral Data

Zykaite Mineral Data

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


Dan Weinrich Auctions
[Mineral Auctions] [Register] [Current Auctions] [Log In] [www.danweinrich.com]
Dan Weinrich Auctions
Specializing In Live Weekly Auctions Of Top Quality Mineral Specimens
The Place To Find Great Specimens At Great Prices!


General Zykaite Information

Help on Chemical  Formula: Chemical Formula: Fe+++4(AsO4)3(SO4)(OH)•15(H2O)
Help on Composition: Composition: Molecular Weight = 1,023.45 gm
   Iron      21.83 %  Fe   31.21 % Fe2O3
   Arsenic   21.96 %  As   33.69 % As2O5
   Hydrogen   3.05 %  H    27.28 % H2O
   Sulfur     3.13 %  S     7.82 % SO3
   Oxygen    50.03 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe3+4(AsO4)3(SO4)(OH)•15(H2O)
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: Kank, near Kutna Hora, Czech Republic. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Vaclav Zyka (1926-), Czech geochemist.
Help on Name Pronunciation: Name Pronunciation: Zykaite Say ZYKAITE
 

Zykaite Image

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

Zykaite   Bukovskyite

Comments: Pale beige acicular crystals of bukovskýite with white zykaite.
Location: Christbescherung Mine, Großvoigtsberg, Freiberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

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

Zykaite

Comments: Round aggregates of Zykaite.
Location: Reiche Zeche Mine, Freiberg, Freiberg District, Erzgebirge, Saxony, Germany. Scale: Specimen size 37 mm.
© Thomas Witzke / Abraxas-Verlag

Zykaite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.965:1:5.2596
Help on Cell Dimensions: Cell Dimensions: a = 20.853, b = 7.033, c = 36.991, Z = 8; V = 5,425.07 Den(Calc)= 2.51
Help on Crystal System: Crystal System: OrthorhombicSpace Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 10.4(1), 10.6(0.7), 6.92(0.4),
 

Physical Properties of Zykaite

Help on Color: Color: Greenish white, Gray white.
Help on Density: Density: 2.5
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Nodular - Tuberose forms having irregular protuberances over the surface.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: white
 

Optical Properties of Zykaite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.017 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.021 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2541,KPDmeas= 0.2551,KC= 0.2595
Ncalc = 1.65
Help on Optical Data: Optical Data: Biaxial (-), a=1.632, b=1.635-1.636, g=1.646, bire=0.0140, 2V(Calc)=56-66, 2V(Meas)=60.
 

Calculated Properties of Zykaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.47 gm/cc
note: Specific Gravity of Zykaite =2.50 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0051070204
Boson Index = 0.9948929796
Help on Photoelectric: Photoelectric: PEZykaite = 21.10 barns/electron
U=PEZykaite x rElectron Density= 52.16 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zykaite is Not Radioactive
 

Zykaite Classification

Help on  Dana Class: Dana Class: 43.05.03.02 (43)Compound Phosphates, etc.
  (43.05)(Hydrated Compound Anions With Hydroxyl or Halogen)
  (43.05.03)Pitticite Group
 
43.05.03.01 Pitticite Hydrousferricarsenatesulfate(Fe,AsO4,SO4,H2O) None
 
43.05.03.02 Zykaite Fe4(AsO4)3(SO4)(OH)•15(H2O) Unk Ortho
Help on  Strunz Class: Strunz Class: 08.DB.45 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DB -With only medium-sized cations, (OH, etc.):RO4 < 1:1
 
08.DB.45 Zykaite Fe4(AsO4)3(SO4)(OH)•15(H2O) Unk Ortho
 

Other Zykaite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Zykaite :
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 Zykaite using:

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

Visit our Advertisers for Zykaite :

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 Zykaite Mineral Data :

Ask about Zykaite 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 Zykaite Specimen Label here :

Zykaite

Fe+++4(AsO4)3(SO4)(OH)•15(H2O)
Dana No: 43.05.03.02 Strunz No: 08.DB.45
Locality:

 

Notes: