Mineralogy Database

Zincmelanterite Mineral Data

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General Zincmelanterite Information

Help on Chemical  Formula: Chemical Formula: (Zn,Cu,Fe++)SO4•7(H2O)
Help on Composition: Composition: Molecular Weight = 286.05 gm
   Zinc      13.72 %  Zn   17.07 % ZnO
   Iron       1.95 %  Fe    2.51 % FeO
   Copper     6.66 %  Cu    8.34 % CuO
   Hydrogen   4.93 %  H    44.09 % H2O
   Sulfur    11.21 %  S    27.99 % SO3
   Oxygen    61.52 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn0.6Cu0.3Fe2+0.1(SO4)•7(H2O)
Help on Environment: Environment: Oxidation zone of pyritic ore deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1920
Help on Locality: Locality: Good Hope and Vulcan mines, Vulcan, Gunnison Co., Colorado, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the zinc-dominant member of the melanterite group.
Help on Synonym: Synonym: Zinc-melanterite - Renamed Zincmelanterite by Mineralogical Record, v39 (2008), p131

Zincmelanterite Image

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Comments: White, powdery zincmelanterite.
Location: Sterling Mine, Ogdensburg, Franklin Mining District, Sussex County, New Jersey, USA. Scale: Picture Size 4 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Zincmelanterite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.1582:1:1.6943
Help on Cell Dimensions: Cell Dimensions: a = 14.05, b = 6.51, c = 11.03, Z = 4; beta = 105.51° V = 972.13 Den(Calc)= 1.95
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.88(1), 3.77(0.7), 4.82(0.45),

Physical Properties of Zincmelanterite

Help on Cleavage: Cleavage: {???} Perfect, {???} Distinct
Help on Color: Color: Green, Yellowish green, Apple green.
Help on Density: Density: 2.02
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 2 - Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)

Optical Properties of Zincmelanterite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.024 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.011 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2481,KPDmeas= 0.2395,KC= 0.2453
Ncalc = 1.48 - 1.5
Help on Optical Data: Optical Data: Biaxial (+), a=1.477-1.479, b=1.483-1.487, g=1.488-1.489, bire=0.0100-0.0110

Calculated Properties of Zincmelanterite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.01 gm/cc
note: Specific Gravity of Zincmelanterite =1.95 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0071807592
Boson Index = 0.9928192408
Help on Photoelectric: Photoelectric: PEZincmelanterite = 10.47 barns/electron
U=PEZincmelanterite x rElectron Density= 21.02 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zincmelanterite is Not Radioactive

Zincmelanterite Classification

Help on  Dana Class: Dana Class: (29)Hydrated Acid and Sulfates
  (29.06)where A XO4 � x(H2O)
  (29.06.10)Melanterite Group (Heptahydrates, Monoclinic: P21/c) Melanterite FeSO4•7(H2O) P 21/c 2/m Boothite CuSO4•7(H2O) P 21/c 2/m Zincmelanterite (Zn,Cu,Fe)SO4•7(H2O) P 21/c 2/m Bieberite CoSO4•7(H2O) P 21/c 2/m Mallardite MnSO4•7(H2O) P 21/c 2/m Alpersite! (Mg,Cu)SO4•7H2O P 21/c 2/m
Help on  Strunz Class: Strunz Class: 07.CB.35 07 - SULFATES (SELENATES, TELLURATES)
  07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O
  07.CB -With only medium-sized cations
07.CB.35 Bieberite CoSO4•7(H2O) P 21/c 2/m
07.CB.35 Boothite CuSO4•7(H2O) P 21/c 2/m
07.CB.35 Mallardite MnSO4•7(H2O) P 21/c 2/m
07.CB.35 Melanterite FeSO4•7(H2O) P 21/c 2/m
07.CB.35 Zincmelanterite (Zn,Cu,Fe)SO4•7(H2O) P 21/c 2/m
07.CB.35 Alpersite! (Mg,Cu)SO4•7H2O P 21/c 2/m

Other Zincmelanterite 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 Zincmelanterite :
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.CB.35





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