Kaluginite Mineral Data

Kaluginite Mineral Data

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General Kaluginite Information

Chemical Formula:

(Mn++,Ca)MgFe+++(PO4)2(OH)·4(H2O)

Composition:

Molecular Weight = 410.39 gm

Calcium 2.44 % Ca 3.42 % CaO

Magnesium 5.92 % Mg 9.82 % MgO

Manganese 10.04 % Mn 12.96 % MnO

Iron 13.61 % Fe 19.46 % Fe₂O₃

Phosphorus 15.09 % P 34.59 % P₂O₅

Hydrogen 2.21 % H 19.75 % H₂O

Oxygen 50.68 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Mn²⁺_0.75Ca_0.25MgFe³⁺(PO₄)₂(OH)·4(H₂O)

Environment:

Secondary decomposition product from a granitic pegmatite vein.

IMA Status:

Not Approved IMA 1991

Locality:

Ilmenskij National Park, Rual Mountans, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for Aleksandr V. Kalugin (1857-1933), mineralogist, Ural Mountains, Russia.

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Images:

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Kaluginite Crystallography

Axial Ratios:

a:b:c =0.4027:1:0.1921

Cell Dimensions:

a = 15.05, b = 37.37, c = 7.18, Z = 16; V = 4,038.16 Den(Calc)= 2.70

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: C cca

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

By Intensity(I/I_o): 9.38(1), 2.84(0.9), 2.6(0.8),

Physical Properties of Kaluginite

Cleavage:

[???] Indistinct

Color:

Green yellow, Yellow green.

Density:

2.69

Diaphaniety:

Transparent to Translucent

Hardness:

3.5 - Copper Penny

Luster:

Vitreous - Greasy

Streak:

yellow white

Optical Properties of Kaluginite

Gladstone-Dale:

CI meas= 0.022 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.025 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2379,KPDmeas= 0.2388,KC= 0.2441

Optical Data:

Biaxial (-), a=1.627, b=1.642, g=1.658, bire=0.0310, 2V(Calc)=90, 2V(Meas)=90.

Calculated Properties of Kaluginite

Electron Density:

r_electron=2.68 gm/cc
note: r_Kaluginite=2.69 gm/cc.

Fermion Index

Fermion Index = 0.00908
Boson Index = 0.99092

Photoelectric:

PE_Kaluginite= 7.67 barns/electron
U=PE_Kaluginite x r_electron= 20.59 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Kaluginite is Not Radioactive

Kaluginite Classification

Dana Class:

42.11.1.6 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.11)where (AB)4 (XO4)3 Zq · x(H2O)

(42.11.1)Dana Group

42.11.1.1 Overite CaMgAl(PO4)2(OH)·4(H2O) Pcca 2/m 2/m 2/m

42.11.1.2 Segelerite CaMgFe(PO4)2(OH)·4(H2O) Pcca 2/m 2/m 2/m

42.11.1.3 Manganosegelerite (Mn,Ca)(Mn,Fe,Mg)Fe(PO4)2(OH)·4(H2O) P bca 2/m 2/m 2/m

42.11.1.4 Lunokite (Mn,Ca)(Mg,Fe,Mn)Al(PO4)2(OH)·4(H2O) P bca 2/m 2/m 2/m

42.11.1.5 Wilhelmvierlingite CaMnFe(PO4)2(OH)·2(H2O) P bca 2/m 2/m 2/m

42.11.1.6 Kaluginite * (Mn,Ca)MgFe(PO4)2(OH)·4(H2O) C cca 2/m 2/m 2/m

42.11.1.7 Juonniite! CaMgSc(PO4)2(OH)·4(H2O) P bca 2/m 2/m 2/m

Strunz Class:

VII/D.03-15 VII - Phosphates, Arsenates and Vanadates

VII/D - Water-bearing phosphates with unfamiliar anions, cations of medium size: Cu, Zn, Mn, Al, Fe

VII/D.03 - Giniite - Schoonerite series

VII/D.03-05 Gladiusite! Fe2(Fe,Mg)4(PO4)(OH)13·H2O P 2₁/n 2/m

VII/D.03-10 Giniite FeFe4(PO4)4(OH)2·2(H2O) P 2/a 2/m

VII/D.03-15 Kaluginite (Mn,Ca)MgFe(PO4)2(OH)·4(H2O) C cca 2/m 2/m 2/m

VII/D.03-20 Landesite (Mn,Mg)9Fe3(PO4)8(OH)3·9(H2O) Pmna 2/m 2/m 2/m

VII/D.03-30 Schoonerite Fe2ZnMnFe(PO4)3(OH)2·9(H2O) Pmab 2/m 2/m 2/m

Other Kaluginite Information

References:

NAME( Dana8) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(37th List of New Min.,Min. Mag.,19)

See Also:

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

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

Kaluginite

(Mn++,Ca)MgFe+++(PO4)2(OH)·4(H2O)
Dana No: 42.11.1.6 Strunz No: VII/D.03-15
Locality:

Notes: