Mineralogy Database

Zn-Schulenbergite Mineral Data

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General Zn-Schulenbergite Information

Help on Chemical  Formula: Chemical Formula: (Zn,Cu)7(SO4,CO3)2(OH)10•3(H2O)
Help on Composition: Composition: Molecular Weight = 852.26 gm
   Zinc      38.36 %  Zn   47.75 % ZnO
   Copper    14.91 %  Cu   18.67 % CuO
   Hydrogen   1.89 %  H    16.91 % H2O
   Carbon     0.70 %  C     2.58 % CO2
   Sulfur     5.64 %  S    14.09 % SO3
   Oxygen    38.48 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn5Cu2(SO4)1.5(CO3)0.5(OH)10•3(H2O)
Help on Environment: Environment: Found in fractured shale in mine workings.
Help on IMA Status: IMA Status: Not Approved IMA (Dana # Added)
Help on Locality: Locality: Hirao mine, Minoo complex, 17 km north of Osaka City, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Not named as the Zn analogue of schulenbergite.

Zn-Schulenbergite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.87686
Help on Cell Dimensions: Cell Dimensions: a = 8.292, c = 7.271, Z = 1; V = 432.96 Den(Calc)= 3.27
Help on Crystal System: Crystal System: Hexagonal Space Group: Hex
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.28(1)(001), 2.545(0.92)(211), 2.715(0.52)(210),3.245(0.46)(102), 1.808(0.38)(213), 3.636(0.36)(002), 2.175(0.34)(212), 1.567(0.3)(410), 1.51(0.2)(214),

Physical Properties of Zn-Schulenbergite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: White, Pale bluish white.
Help on Density: Density: 3.18
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Habit: Habit: Rosette - Bundled tabular aggregates resembling rose flower petals.
Help on Hardness: Hardness: 1-2 - Between Talc and Gypsum
Help on Luster: Luster: Pearly
Help on Streak: Streak: white

Optical Properties of Zn-Schulenbergite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.018 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.01 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1931,KPDmeas= 0.1986,KC= 0.1951
Ncalc = 1.62 - 1.64
Help on Optical Data: Optical Data: Uniaxial (-), e=1.623, w=1.64, bire=0.0170.

Calculated Properties of Zn-Schulenbergite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.18 gm/cc
note: Specific Gravity of Zn-Schulenbergite =3.27 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEZn-Schulenbergite = 25.69 barns/electron
U=PEZn-Schulenbergite x rElectron Density= 81.82 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zn-Schulenbergite is Not Radioactive

Zn-Schulenbergite Classification

Help on  Dana Class: Dana Class: (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.01)where (A+ B++)m (XO4)p Zq�x(H2O), where m:p>6:1
  (31.01.06)Schulenbergite group Schulenbergite (Cu,Zn)7(SO4,CO3)2(OH)10•3(H2O) Hex Hex Bechererite! (Zn,Cu)6Zn2(OH)13[(S,Si)(O,OH)4]2 P 3 3 Osakaite! Zn4SO4(OH)6•5H2O P1 1 Zn-Schulenbergite! (Zn,Cu)7(SO4,CO3)2(OH)10•3(H2O) Hex Hex
Help on  Strunz Class: Strunz Class: 07.DD.08.0 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DD -With only medium-sized cations; sheets of edge-sharing octahedra
07.DD.08.0 Zn-Schulenbergite! (Zn,Cu)7(SO4,CO3)2(OH)10•3(H2O) Hex Hex

Other Zn-Schulenbergite Information

Help on References: References: NAME( AmMin, v91:1690) PHYS. PROP.(AmMin, v91:1690) OPTIC PROP.(AmMin, v91:1690)
Help on See Also: See Also: Links to other databases for Zn-Schulenbergite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Dana No: Strunz No: 07.DD.08.0





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