Mineralogy Database

Zincobotryogen Mineral Data

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General Zincobotryogen Information

Help on Chemical  Formula: Chemical Formula: (Zn,Mg,Mn)Fe+++(SO4)2(OH)•7(H2O)
Help on Composition: Composition: Molecular Weight = 443.11 gm
   Magnesium   1.65 %  Mg    2.73 % MgO
   Manganese   1.24 %  Mn    1.60 % MnO
   Zinc        8.85 %  Zn   11.02 % ZnO
   Iron       12.60 %  Fe   18.02 % Fe2O3
   Hydrogen    3.41 %  H    30.49 % H2O
   Sulfur     14.47 %  S    36.14 % SO3
   Oxygen     57.77 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn0.6Mg0.3Mn2+0.1Fe3+(SO4)2(OH)•7(H2O)
Help on Environment: Environment: Secondary mineral formed in the oxidation zone, typically in an arid climate.
Help on IMA Status: IMA Status: Approved IMA 1964
Help on Locality: Locality: Undisclosed Pb-Zn deposit [Xitieshan mine, south of Mt. Qilianshan, Chaidamu], Qinghai Province, China Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its dominant content of zinc and relation to botryogen.
Help on Name Pronunciation: Name Pronunciation: Zincobotryogen + Pronunciation Say ZINCOBOTRYOGEN

Zincobotryogen Image

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Comments: Translucent bright yellow crystalline zincobotryogen.
Location: Bisbee, Cochise County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Zincobotryogen Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5885:1:0.4032
Help on Cell Dimensions: Cell Dimensions: a = 10.488, b = 17.819, c = 7.185, Z = 4; beta = 100.833° V = 1,318.84 Den(Calc)= 2.23
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.01(1), 5.24(0.8), 3.24(0.6),

Physical Properties of Zincobotryogen

Help on Color: Color: Orange red.
Help on Density: Density: 2.201
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: light yellow

Optical Properties of Zincobotryogen

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.016 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.003 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2511,KPDmeas= 0.2544,KC= 0.2504
Ncalc = 1.55 - 1.56
Help on Optical Data: Optical Data: Biaxial (+), a=1.542, b=1.551, g=1.587, bire=0.0450, 2V(Calc)=56, 2V(Meas)=54.

Calculated Properties of Zincobotryogen

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.27 gm/cc
note: Specific Gravity of Zincobotryogen =2.23 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.009315642
Boson Index = 0.990684358
Help on Photoelectric: Photoelectric: PEZincobotryogen = 9.09 barns/electron
U=PEZincobotryogen x rElectron Density= 20.60 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zincobotryogen is Not Radioactive

Zincobotryogen Classification

Help on  Dana Class: Dana Class: (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.09)where (A+ B++) (XO4) Zq�x(H2O)
  (31.09.06)Botryogen Group Botryogen MgFe(SO4)2(OH)•7(H2O) P 21/n 2/m Zincobotryogen (Zn,Mg,Mn)Fe(SO4)2(OH)•7(H2O) P 21/n 2/m Xitieshanite Fe(SO4)(Cl)•7(H2O) P 21/a 2/m
Help on  Strunz Class: Strunz Class: 07.DC.25 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DC -With only medium-sized cations; chains of corner-sharing octahedra
07.DC.25 Botryogen MgFe(SO4)2(OH)•7(H2O) P 21/n 2/m
07.DC.25 Zincobotryogen (Zn,Mg,Mn)Fe(SO4)2(OH)•7(H2O) P 21/n 2/m

Other Zincobotryogen Information

Help on References: References: NAME( AntBidBlaNic5) 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 Zincobotryogen :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Dana No: Strunz No: 07.DC.25





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