Mineralogy Database

Cyanophyllite Mineral Data

Search Webmineral :

General Cyanophyllite Information

Help on Chemical  Formula: Chemical Formula: Cu++5Al2(SbO4)3(OH)7•9(H2O)
Help on Composition: Composition: Molecular Weight = 1,210.12 gm
   Aluminum   4.46 %  Al    8.43 % Al2O3
   Copper    26.26 %  Cu   32.87 % CuO
   Antimony  30.18 %  Sb   40.10 % Sb2O5
   Hydrogen   2.08 %  H    18.61 % H2O
   Oxygen    37.02 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu5Al2(SbO4)3(OH)7•9(H2O)
Help on Environment: Environment: Secondary mineral associated with copper mineralization in a hydrothermal polymetallic barite-fluorite deposit.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Clara mine, near Oberwolfach, Black Forest, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for blue and a leaf, in allusion to the color and habit.

Cyanophyllite Image

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


Comments: Small pale green cyanophyllite crystals with blue azurite on matrix.
Location: Monte Avanza, Forni Avoltri, Udine, Italy. Scale: Picture size 1 cm.
© Diederik Visser

Cyanophyllite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.0944:1:0.8925
Help on Cell Dimensions: Cell Dimensions: a = 11.82, b = 10.8, c = 9.64, Z = 2; V = 1,230.60 Den(Calc)= 3.27
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pmmb
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.84(1), 2.59(0.6), 9.67(0.6),

Physical Properties of Cyanophyllite

Help on Cleavage: Cleavage: {001} Perfect, {100} Good, {010} Good
Help on Color: Color: Greenish blue.
Help on Density: Density: 3.1
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Silky - Pearly

Optical Properties of Cyanophyllite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.075 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.019 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2017,KPDmeas= 0.2128,KC= 0.1979
Ncalc = 1.61 - 1.65
Help on Optical Data: Optical Data: Biaxial (-), a=1.64, b=1.664, g=1.675, bire=0.0350, 2V(Calc)=66, 2V(Meas)=67.

Calculated Properties of Cyanophyllite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.10 gm/cc
note: Specific Gravity of Cyanophyllite =3.27 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001808175
Boson Index = 0.9998191825
Help on Photoelectric: Photoelectric: PECyanophyllite = 105.62 barns/electron
U=PECyanophyllite x rElectron Density= 327.09 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cyanophyllite is Not Radioactive

Cyanophyllite Classification

Help on  Dana Class: Dana Class: (44)Antimonates
  (44.03)with miscellaneous formulae
  (44.03.09)Dana Group Cyanophyllite Cu5Al2(SbO4)3(OH)7•9(H2O) Pmmb 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.FM.40 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.F - Hydroxides (without V or U)
  04.FM -Hydroxides with H2O � (OH); Unclassified
04.FM.40 Cyanophyllite Cu5Al2(SbO4)3(OH)7•9(H2O) Pmmb 2/m 2/m 2/m

Other Cyanophyllite Information

Help on References: References: NAME( AntBidBlaNic4) 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 Cyanophyllite :
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 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

Search for Cyanophyllite using:

Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Cyanophyllite :

Ask about Cyanophyllite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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


Dana No: Strunz No: 04.FM.40





Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.