IMA2003-040 Mineral Data

IMA2003-040 Mineral Data

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General IMA2003-040 Information

Chemical Formula:

(Mg,Cu)SO4·7H2O

Composition:

Molecular Weight = 256.29 gm

Magnesium 7.11 % Mg 11.79 % MgO

Copper 6.20 % Cu 7.76 % CuO

Hydrogen 5.51 % H 49.21 % H₂O

Sulfur 12.51 % S 31.24 % SO₃

Oxygen 68.67 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Mg_0.75Cu_0.25(SO₄)·7(H₂O)

Environment:

Melanterite group

IMA Status:

Proposed IMA 2003 (Dana # Added)

Locality:

Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals and Mineral Names (CNMMN)

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IMA2003-040 Crystallography

Axial Ratios:

a:b:c =2.168:1:1.6587

Cell Dimensions:

a = 14.166, b = 6.534, c = 10.838, Z = 4; beta = 105.922° V = 964.69 Den(Calc)= 1.76

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/c

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

By Intensity(I/I_o): 4.85(1), 3.779(0.38), 4.44(0.16),3.254(0.15), 3.663(0.15), 2.721(0.14), 3.078(0.14), 4.79(0.14),

Physical Properties of IMA2003-040

Color:

Blue.

Diaphaniety:

Transparent

Luster:

Vitreous (Glassy)

Optical Properties of IMA2003-040

Gladstone-Dale:

CI calc= -0.019 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2644,KC= 0.2594

Optical Data:

Biaxial (+), a=1.462, b=1.465, g=1.469, bire=0.0070

Calculated Properties of IMA2003-040

Electron Density:

r_electron=1.84 gm/cc
note: r_IMA2003-040=1.76 gm/cc.

Fermion Index

Fermion Index = 0.00838
Boson Index = 0.99162

Photoelectric:

PE_IMA2003-040= 3.55 barns/electron
U=PE_IMA2003-040 x r_electron= 6.54 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

IMA2003-040 is Not Radioactive

IMA2003-040 Classification

Dana Class:

29.6.10.6 (29)Hydrated Acid and Sulfates

(29.6)where A XO4 · x(H2O)

(29.6.10)Melanterite Group (Heptahydrates, Monoclinic: P21/c)

29.6.10.1 Melanterite FeSO4·7(H2O) P 2₁/c 2/m

29.6.10.2 Boothite CuSO4·7(H2O) P 2₁/c 2/m

29.6.10.3 Zinc-melanterite (Zn,Cu,Fe)SO4·7(H2O) P 2₁/c 2/m

29.6.10.4 Bieberite CoSO4·7(H2O) P 2₁/c 2/m

29.6.10.5 Mallardite MnSO4·7(H2O) P 2₁/c 2/m

29.6.10.6 IMA2003-040 ! (Mg,Cu)SO4·7H2O P 2₁/c 2/m

Strunz Class:

VI/X.00-00 VI - Sulfates,Chromates,Molybdates and Tungstates

VI/X - Unclassified Strunz Sulfates,Chromates,Molybdates and Tungstates

VI/X.00 - Melanterite group

Other IMA2003-040 Information

See Also:

Links to other databases for IMA2003-040 :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch)

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Print or Cut-and-Paste your IMA2003-040 Specimen Label here :

IMA2003-040

(Mg,Cu)SO4·7H2O
Dana No: 29.6.10.6 Strunz No: VI/X.00-00
Locality:

Notes: