Connellite Mineral Data

Connellite Mineral Data +

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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).

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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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

Diaphaniety:

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:

None.

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

Optical Data:

Uniaxial (+), w=1.724-1.738, e=1.746-1.758, bire=0.0200-0.0220.

Calculated Properties of Connellite

Electron Density:

r_electron=3.34 gm/cc
note: r_Connellite=3.46 gm/cc.

Fermion Index

Fermion Index = 0.00026
Boson Index = 0.99974

Photoelectric:

PE_Connellite= 26.41 barns/electron
U=PE_Connellite x r_electron= 88.10 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Connellite is Not Radioactive

Connellite Classification

Dana Class:

31.1.1.1 (31)Hydrated Sulfates Containing Hydroxyl or Halogen

(31.1)where (A+ B++)m (XO4)p Zq·x(H2O), where m:p>6:1

(31.1.1)Dana Group

31.1.1.1 Connellite Cu19Cl4(SO4)(OH)32·3(H2O) P 62c 6 m2

Strunz Class:

III/D.03-40 III - Halogenides

III/D - Oxi-halogenides with Mg - Mn - Cu - Zn - Sn

III/D.03 - Atacamite series, Claringbullite - Connellite

III/D.03-10 Claringbullite Cu4(OH)7Cl P 6₃/mmc 6/m 2/m 2/m

III/D.03-20 Simonkolleite Zn5(OH)8Cl2·(H2O) R 3m 3 2/m

III/D.03-25 Gordaite! NaZn(SO4)(OH)6Cl·6(H2O) P 3 3

III/D.03-30 Buttgenbachite Cu19Cl4(NO3)2(OH)32·2(H2O) P 6₃/mmc 6/m 2/m 2/m

III/D.03-40 Connellite Cu19Cl4(SO4)(OH)32·3(H2O) P 62c 6 m2

III/D.03-50 Khaidarkanite! Na0.34Cu4Al3(OH)14F3·2(H2O) C 2/m 2/m

Other Connellite Information

References:

NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

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

Connellite

Cu19Cl4(SO4)(OH)32·3(H2O)
Dana No: 31.1.1.1 Strunz No: III/D.03-40
Locality:

Notes: