Connellite Mineral Data
General Connellite Information
Chemical Formula:
Cu19Cl4(SO4)(OH)32•3(H2O)
Composition:
Molecular Weight = 2,043.53 gm
Copper 59.08 % Cu 73.96 % CuO
Hydrogen 1.87 % H 16.75 % H2 O
Sulfur 1.57 % S 3.92 % SO3
Chlorine 6.94 % Cl 6.94 % Cl
- %
Cl -1.57 % -O=Cl2
Oxygen 30.53 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Cu19 Cl4 (SO4 )(OH)32 •3(H2 O)
IMA Status:
Valid Species (Pre-IMA) 1850
Locality:
Link to MinDat.org Location Data.
Name Origin:
Named after the Scottish chemist, A. Conell (1794-1863).
Name Pronunciation:
Connellite + Pronunciation
Synonym:
Ceruleofibrite
Footeite
Connellite Image
Images:
Connellite Crystallography
Axial Ratios:
a:c = 1:0.57667
Cell Dimensions:
a = 15.78, c = 9.1, Z = 2; V = 1,962.39 Den(Calc)= 3.46
Crystal System:
Hexagonal - Ditrigonal Dipyramidal H-M Symbol (6 m2) Space Group: P 6 2c
X Ray Diffraction:
By Intensity(I/Io ): 2.29(1), 8(1), 13.7(1),
Physical Properties of Connellite
Cleavage:
None
Color:
Blue green, Light blue.
Density:
3.4
Diaphaneity:
Translucent
Fracture:
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Habit:
Acicular - Occurs as needle-like crystals.
Habit:
Fibrous - Crystals made up of fibers.
Habit:
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Hardness:
3 - Calcite
Luminescence:
Non-fluorescent.
Luster:
Vitreous (Glassy)
Magnetism:
Nonmagnetic
Streak:
light blue green
Optical Properties of Connellite
Dichroism (e):
none.
Dichroism (w):
none.
Gladstone-Dale:
CI meas = -0.031 (Excellent) - where the CI = (1-KPDmeas /KC ) CI calc = -0.013 (Superior) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.2143,KPDmeas = 0.2181,KC = 0.2115 Ncalc = 1.72 - 1.73
Optical Data:
Uniaxial (+), w=1.724-1.738, e=1.746-1.758, bire=0.0200-0.0220.
Calculated Properties of Connellite
Electron Density:
Bulk Density (Electron Density)=3.34 gm/cc note: Specific Gravity of Connellite =3.46 gm/cc.
Fermion Index:
Fermion Index = 0.000267062 Boson Index = 0.999732938
Photoelectric:
PEConnellite = 26.41 barns/electronU=PEConnellite x r Electron Density= 88.10 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Connellite is Not Radioactive
Connellite Classification
Dana Class:
31.01.01.01 (31) Hydrated Sulfates Containing Hydroxyl or Halogen
(31.01) where (A+ B++)m (XO4)p Zq�x(H2O), where m:p>6:1
(31.01.01) Dana Group
31.01.01.01 Connellite Cu19Cl4(SO4)(OH)32•3(H2O) P 6 2c 6 m2
Strunz Class:
03.DA.25 03 - HALIDES
03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
03.DA -With Cu, etc., without Pb
03.DA.25 Buttgenbachite Cu19Cl4(NO3)2(OH)32•2(H2O) P 63 /mmc 6/m 2/m 2/m
03.DA.25 Connellite Cu19Cl4(SO4)(OH)32•3(H2O) P 6 2c 6 m2
Other Connellite Information
References:
NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
See Also:
Links to other databases for Connellite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - Franklin Minerals(Dunn)
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info
17 - WWW-MINCRYST
Search for Connellite using:
[AOL ]
[Bing ]
[Dog Pile ]
[GeoScienceWorld ]
[HotBot ]
[Ixquick ]
[Lycos ]
[MAMMA ]
[Scirus ]
[Teoma ]
[WebCrawler ]
[Wikipedia ]
[YAHOO ]
Visit our Advertisers for Connellite :
Ask about Connellite 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
Espa�ol
Print or Cut-and-Paste your Connellite Specimen Label here :
Connellite
Cu19Cl4(SO4)(OH)32•3(H2O)
Dana No: 31.01.01.01 Strunz No: 03.DA.25
Locality:
Notes:
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.