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Devilline Mineral Data

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General Devilline Information

Help on Chemical  Formula: Chemical Formula: CaCu4(SO4)2(OH)6•3(H2O)
Help on Composition: Composition: Molecular Weight = 642.48 gm
   Calcium    6.24 %  Ca    8.73 % CaO
   Copper    39.56 %  Cu   44.54 % Cu2O
   Hydrogen   1.88 %  H    16.82 % H2O
   Sulfur     9.98 %  S    24.92 % SO3
   Oxygen    42.33 %  O
            ______        ______ 
            100.00 %       95.02 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaCu4(OH)6(SO4)2•3(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1864
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the French chemist, H. E. S. C. Deville (1818-1881). Named from its occurrence at Herrengrund, north of Neusohl, in Slovakia of Czechoslovakia.
Help on Name Pronunciation: Name Pronunciation: Devilline + Pronunciation Say DEVILLINE
Help on Synonym: Synonym: Herrengrundite
  ICSD 2764
  PDF 35-561

Devilline Image

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  Devilline   Malachite

Comments: Blue crystals of devilline on green, botryoidal malachite.
Location: Spania Dolina (Herrengrund), Slovakia. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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Comments: Laminar crystals of blue devilline on matrix..
Location: Spania Dolina (ex-Herrengrund) Banská Bystrica Slovak Republic. Scale: Specimen size: 6.9 x 3.3 x 5.7 cm.
© Fabre Minerals

Devilline Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =3.4013:1:3.6164
Help on Cell Dimensions: Cell Dimensions: a = 20.867, b = 6.135, c = 22.187, Z = 8; beta = 102.73° V = 2,770.54 Den(Calc)= 3.08
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): 10.22(1), 5.099(0.95), 3.392(0.65),

Physical Properties of Devilline

Help on Cleavage: Cleavage: {001} Perfect, {110} Distinct
Help on Color: Color: Blue, Blue green, Blue white, White, Dark green.
Help on Density: Density: 3.1 - 3.13, Average = 3.11
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Habit: Habit: Spherical - Spherical, rounded aggregates.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: light green

Optical Properties of Devilline

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.095 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.084 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.205,KPDmeas= 0.2027,KC= 0.2239
Ncalc = 1.69 - 1.7
Help on Optical Data: Optical Data: Biaxial (-), a=1.585, b=1.649, g=1.66, bire=0.0750, 2V(Calc)=42, 2V(Meas)=39.
Help on Pleochroism (x): Pleochroism (x): pale green.
Help on Pleochroism (y): Pleochroism (y): green.
Help on Pleochroism (z): Pleochroism (z): green.

Calculated Properties of Devilline

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.03 gm/cc
note: Specific Gravity of Devilline =3.08 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0010388894
Boson Index = 0.9989611106
Help on Photoelectric: Photoelectric: PEDevilline = 18.38 barns/electron
U=PEDevilline x rElectron Density= 55.69 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Devilline is Not Radioactive

Devilline 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)
  (31.06.01)Dana Group Devilline CaCu4(SO4)2(OH)6•3(H2O) P 21/c 2/m Lautenthalite PbCu4(OH)6(SO4)2•3(H2O) P 21/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 Devilline Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Devilline :
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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