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 % H₂O

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:

Cu₁₉Cl₄(SO₄)(OH)₃₂•3(H₂O)

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

Comments: Blue acicular crystals of connellite.
Location: Deep Creek Mountains, Tooele County, Utah, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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 DipyramidalH-M Symbol (6 m2) Space Group: P 62c

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.29(1), 8(1), 13.7(1),

Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
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McLean W J , Anthony J W , American Mineralogist , 57 (1972) p.426-438, The disordered, zeolite-like structure of connellite

View Additional jPOWD Structure files for Connellite
[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:

PE_Connellite= 26.41 barns/electron
U=PE_Connellite x rElectron 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 62c 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 62c 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

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Ask about Connellite here :
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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: