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Serpierite Mineral Data

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General Serpierite Information

Help on Chemical  Formula: Chemical Formula: Ca(Cu,Zn)4(SO4)2(OH)6•3(H2O)
Help on Composition: Composition: Molecular Weight = 644.32 gm
   Calcium    6.22 %  Ca    8.70 % CaO
   Zinc      10.15 %  Zn   12.63 % ZnO
   Copper    29.59 %  Cu   37.04 % CuO
   Hydrogen   1.88 %  H    16.78 % H2O
   Sulfur     9.95 %  S    24.85 % SO3
   Oxygen    42.21 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaCu3Zn(SO4)2(OH)6•3(H2O)
Help on Environment: Environment: Secondary mineral found in altered smelter slags and oxidized sulfide veins. Dimorphous with orthoserpierite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1881
Help on Locality: Locality: Lavrion (Laurium), Attika peninsula, Greece. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Giovanni Battista Serpieri (1832-1897), Italian mining entrpreneur, founder of the Montecatini Co., and developer of the Laurium mines.
Help on Name Pronunciation: Name Pronunciation: Serpierite + Pronunciation Say SERPIERITE
Help on Synonym: Synonym: ICSD 36087
  PDF 22-148

Serpierite Image

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Comments: Blue, acicular crystals of serpierite.
Location: Serpieri mine, Laurium, Greece. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Serpierite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =3.5497:1:3.4964
Help on Cell Dimensions: Cell Dimensions: a = 22.186, b = 6.25, c = 21.853, Z = 8; beta = 113.37° V = 2,781.60 Den(Calc)= 3.08
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 10.22(1), 3.386(0.9), 5.09(0.9),
Help on Forms: Forms:

Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 0 1 1) ( 1 1 1) ( 1 0 0) ( 0 0 1)

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Physical Properties of Serpierite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Sky blue.
Help on Density: Density: 3.07
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Botryoidal - "Grape-like" rounded forms (e.g.. malachite).
Help on Habit: Habit: Lath - Shaped like a small, thin plaster lath, tabular (rectangular) in shape.
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: greenish white

Optical Properties of Serpierite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.005 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2027,KPDmeas= 0.2033,KC= 0.2022
Ncalc = 1.62
Help on Optical Data: Optical Data: Biaxial (-), a=1.583-1.584, b=1.641-1.642, g=1.647-1.648, bire=0.0640, 2V(Calc)=34, 2V(Meas)=35. Dispersion r
Help on Pleochroism (x): Pleochroism (x): pale green.
Help on Pleochroism (y): Pleochroism (y): bluish green.
Help on Pleochroism (z): Pleochroism (z): bluish green.

Calculated Properties of Serpierite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.03 gm/cc
note: Specific Gravity of Serpierite =3.08 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0051968567
Boson Index = 0.9948031433
Help on Photoelectric: Photoelectric: PESerpierite = 19.03 barns/electron
U=PESerpierite x rElectron Density= 57.68 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Serpierite is Not Radioactive

Serpierite Classification

Help on  Dana Class: Dana Class: (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.06)where (A+ B++)5 (XO4)2 Zq�x(H2O)
  (31.06.02)Dana Group Serpierite Ca(Cu,Zn)4(SO4)2(OH)6•3(H2O) C 2/c 2/m
Help on  Strunz Class: Strunz Class: 07.DD.30 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.30 Campigliaite Cu4Mn(SO4)2(OH)6•4(H2O) C 2 2
07.DD.30 Devilline CaCu4(SO4)2(OH)6•3(H2O) P 21/c 2/m
07.DD.30 Orthoserpierite Ca(Cu,Zn)4(SO4)2(OH)6•3(H2O) P ca21 mm2
07.DD.30 Niedermayrite! Cu4Cd(SO4)2(OH)6•4(H2O) P 21/m 2/m
07.DD.30 Serpierite Ca(Cu,Zn)4(SO4)2(OH)6•3(H2O) C 2/c 2/m

Other Serpierite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8, Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Serpierite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info

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Dana No: Strunz No: 07.DD.30





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