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Schulenbergite Mineral Data

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General Schulenbergite Information

Help on Chemical  Formula: Chemical Formula: (Cu,Zn)7(SO4,CO3)2(OH)10•3(H2O)
Help on Composition: Composition: Molecular Weight = 846.73 gm
   Zinc      15.45 %  Zn   19.22 % ZnO
   Copper    37.52 %  Cu   46.97 % CuO
   Hydrogen   1.90 %  H    17.02 % H2O
   Carbon     0.71 %  C     2.60 % CO2
   Sulfur     5.68 %  S    14.18 % SO3
   Oxygen    38.74 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu5Zn2(SO4)1.5(CO3)0.5(OH)10•3(H2O)
Help on Environment: Environment: Found in the mine dumps.
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: Glucksrad mine, near Oberschulenberg (Upper Schulenberg), Harz, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Schulenbergite + Pronunciation Say SCHULENBERGITE
Help on Synonym: Synonym: ICSD 79548
  PDF 38-349
 

Schulenbergite Image

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

Comments: Light greenish rosettes of schulenbergite with small green crystals of ramsbeckite and blue crystals of linarite.
Location: Gelbe Birke Mine, Schwarzenberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Schulenbergite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.87077
Help on Cell Dimensions: Cell Dimensions: a = 8.249, c = 7.183, Z = 1; V = 423.29 Den(Calc)= 3.32
Help on Crystal System: Crystal System: Hexagonal Space Group: Hex
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.186(1), 2.527(0.8), 2.7(0.8),
 

Physical Properties of Schulenbergite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Green blue, Light green blue.
Help on Density: Density: 3.28
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: 2 - Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Silky
Help on Streak: Streak: pale blue blue
 

Optical Properties of Schulenbergite

Help on Dichroism (e): Dichroism (e): colorless.
Help on Dichroism (w): Dichroism (w): very pale bluish white.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.031 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.043 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1902,KPDmeas= 0.1925,KC= 0.1987
Ncalc = 1.65 - 1.66
Help on Optical Data: Optical Data: Uniaxial (-), e=1.623, w=1.64, bire=0.0170.
 

Calculated Properties of Schulenbergite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.19 gm/cc
note: Specific Gravity of Schulenbergite =3.28 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.007025429
Boson Index = 0.992974571
Help on Photoelectric: Photoelectric: PESchulenbergite = 24.24 barns/electron
U=PESchulenbergite x rElectron Density= 77.38 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Schulenbergite is Not Radioactive
 

Schulenbergite Classification

Help on  Dana Class: Dana Class: 31.01.06.01 (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
 
31.01.06.01 Schulenbergite (Cu,Zn)7(SO4,CO3)2(OH)10•3(H2O) Hex Hex
 
31.01.06.02 Bechererite! (Zn,Cu)6Zn2(OH)13[(S,Si)(O,OH)4]2 P 3 3
 
31.01.06.03 Osakaite! Zn4SO4(OH)6•5H2O P1 1
 
31.01.06.04 Zn-Schulenbergite! (Zn,Cu)7(SO4,CO3)2(OH)10•3(H2O) Hex Hex
Help on  Strunz Class: Strunz Class: 07.DD.80 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.80 Guarinoite (Zn,Co,Ni)6(SO4)(OH,Cl)10•5(H2O) P 63/m,P 63, or P 6322 Hex
 
07.DD.80 Schulenbergite (Cu,Zn)7(SO4,CO3)2(OH)10•3(H2O) Hex Hex
 
07.DD.80 Theresemagnanite (Co,Zn,Ni)6(SO4)(OH,Cl)10•8(H2O) P 63 6
 

Other Schulenbergite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Schulenbergite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Schulenbergite Specimen Label here :

Schulenbergite

(Cu,Zn)7(SO4,CO3)2(OH)10•3(H2O)
Dana No: 31.01.06.01 Strunz No: 07.DD.80
Locality:

 

Notes:

 

 
   
 


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