Campigliaite Mineral Data

Campigliaite Mineral Data

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General Campigliaite Information

Chemical Formula:

Cu4Mn(SO4)2(OH)6·4(H2O)

Composition:

Molecular Weight = 675.35 gm

Manganese 8.13 % Mn 10.50 % MnO

Copper 37.64 % Cu 42.38 % Cu₂O

Hydrogen 2.09 % H 18.67 % H₂O

Sulfur 9.50 % S 23.71 % SO₃

Oxygen 42.64 % O

______ ______

100.00 % 95.26 % = TOTAL OXIDE

Empirical Formula:

Cu₄Mn²⁺(SO₄)₂(OH)₆·4(H₂O)

IMA Status:

Approved IMA 1982

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 30797

PDF 35-529

Campigliaite Image

Images:

Campigliaite

Comments: Sparse pale blue coatings of campigliaite on matrix.
Location: Richfield, Sevier County, Utah, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Campigliaite Crystallography

Axial Ratios:

a:b:c =3.5596:1:1.844

Cell Dimensions:

a = 21.707, b = 6.098, c = 11.245, Z = 4; beta = 100.3° V = 1,464.51 Den(Calc)= 3.06

Crystal System:

Monoclinic - SphenoidalH-M Symbol (2) Space Group: C 2

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

By Intensity(I/I_o): 10.68(1), 5.34(0.6), 3.56(0.44),

Crystal Structure:

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Sabelli C , American Mineralogist , 67 (1982) p.388-393, Campigliaite, Cu4Mn(SO4)2(OH)6.4H2O, a new mineral from Campiglia Marittima,, Tuscany, Italy II. Crystal structure

Physical Properties of Campigliaite

Cleavage:

[100] Perfect

Color:

Light blue, Pink.

Density:

Diaphaniety:

Transparent

Luster:

Vitreous (Glassy)

Streak:

blue white

Optical Properties of Campigliaite

Gladstone-Dale:

CI meas= 0.066 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.085 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2062,KPDmeas= 0.2103,KC= 0.2253

Optical Data:

Biaxial (-), a=1.589, b=1.645, g=1.659, bire=0.0700, 2V(Calc)=50, 2V(Meas)=52.

Calculated Properties of Campigliaite

Electron Density:

r_electron=2.94 gm/cc
note: r_Campigliaite=3.00 gm/cc.

Fermion Index

Fermion Index = 0.00092
Boson Index = 0.99908

Photoelectric:

PE_Campigliaite= 18.87 barns/electron
U=PE_Campigliaite x r_electron= 55.48 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Campigliaite is Not Radioactive

Campigliaite Classification

Dana Class:

31.6.6.1 (31)Hydrated Sulfates Containing Hydroxyl or Halogen

(31.6)where (A+ B++)5 (XO4)2 Zq·x(H2O)

(31.6.6)Dana Group

31.6.6.1 Campigliaite Cu4Mn(SO4)2(OH)6·4(H2O) C 2 2

31.6.6.2 Niedermayrite! Cu4Cd(SO4)2(OH)6·4(H2O) P 2₁/m 2/m

Strunz Class:

VI/D.03-80 VI - Sulfates,Chromates,Molybdates and Tungstates

VI/D - Water-bearing sulfates with unfamiliar anions. cations of medium size

VI/D.03 - Langite series, Posnjakite - Nakuriite

VI/D.03-10 Posnjakite Cu4(SO4)(OH)6·(H2O) C 2/c 2/m

VI/D.03-20 Langite Cu4(SO4)(OH)6·2(H2O) Pc m

VI/D.03-30 Wroewolfeite Cu4(SO4)(OH)6·2(H2O) Pc m

VI/D.03-40 Namuwite (Zn,Cu)4(SO4)(OH)6·4(H2O) Unk Hex

VI/D.03-50 Guarinoite (Zn,Co,Ni)6(SO4)(OH,Cl)10·5(H2O) P 6₃/m,P 6₃, or P 6₃22 Hex

VI/D.03-55 Theresemagnanite (Co,Zn,Ni)6(SO4)(OH,Cl)10·8(H2O) P 6₃ 6

VI/D.03-60 Schulenbergite (Cu,Zn)7(SO4,CO3)2(OH)10·3(H2O) P 3 or P 3- Trig

VI/D.03-65 Christelite! Zn3Cu2(SO4)2(OH)6·4(H2O) P1 1

VI/D.03-70 Ktenasite (Cu,Zn)5(SO4)2(OH)6·6(H2O) P 2₁/c 2/m

VI/D.03-75 Ramsbeckite (Cu,Zn)15(SO4)4(OH)22·6(H2O) P 2₁/a 2/m

VI/D.03-80 Campigliaite Cu4Mn(SO4)2(OH)6·4(H2O) C 2 2

VI/D.03-90 Nakauriite (Mn,Ni,Cu)8(SO4)4(CO3)(OH)6·48(H2O) Unk Ortho

Other Campigliaite Information

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Campigliaite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

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

Campigliaite

Cu4Mn(SO4)2(OH)6·4(H2O)
Dana No: 31.6.6.1 Strunz No: VI/D.03-80
Locality:

Notes: