Konyaite Mineral Data

Konyaite Mineral Data +

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General Konyaite Information

Chemical Formula:

Na2Mg(SO4)2·5(H2O)

Composition:

Molecular Weight = 352.49 gm

Sodium 13.04 % Na 17.58 % Na₂O

Magnesium 6.90 % Mg 11.43 % MgO

Hydrogen 2.86 % H 25.55 % H₂O

Sulfur 18.19 % S 45.43 % SO₃

Oxygen 59.01 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Na₂Mg(SO₄)₂·5(H₂O)

IMA Status:

Approved IMA 1982

Locality:

Link to MinDat.org Location Data.

Konyaite Image

Images:

Konyaite

Comments: white powdery konyaite.
Location: Great Konya Basin, Konya, Turkey. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Konyaite Crystallography

Axial Ratios:

a:b:c =0.2407:1:0.3357

Cell Dimensions:

a = 5.784, b = 24.026, c = 8.066, Z = 4; beta = 95.37° V = 1,115.98 Den(Calc)= 2.10

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): 4.54(1), 3.96(0.45), 4.017(0.45),

Physical Properties of Konyaite

Color:

Colorless, White.

Density:

2.088

Hardness:

2.5 - Finger Nail

Streak:

white

Optical Properties of Konyaite

Gladstone-Dale:

CI meas= -0.004 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2232,KPDmeas= 0.2245,KC= 0.2236

Optical Data:

Biaxial (+), a=1.464, b=1.468, g=1.474, bire=0.0100, 2V(Calc)=80, 2V(Meas)=74.

Calculated Properties of Konyaite

Electron Density:

r_electron=2.14 gm/cc
note: r_Konyaite=2.10 gm/cc.

Fermion Index

Fermion Index = 0.00854
Boson Index = 0.99146

Photoelectric:

PE_Konyaite= 1.52 barns/electron
U=PE_Konyaite x r_electron= 3.26 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Konyaite is Not Radioactive

Konyaite Classification

Dana Class:

29.3.5.1 (29)Hydrated Acid and Sulfates

(29.3)where (A+)2 B (XO4)2 · x(H2O)

(29.3.5)Dana Group

29.3.5.1 Konyaite Na2Mg(SO4)2·5(H2O) P 2₁/c 2/m

Strunz Class:

VI/C.18-40 VI - Sulfates,Chromates,Molybdates and Tungstates

VI/C - Water-bearing sulfates without unfamiliar anions. cations of medium and very big size

VI/C.18 - Blödite - Konyaite series

VI/C.18-10 Blodite Na2Mg(SO4)2·4(H2O) P 2₁/a 2/m

VI/C.18-20 Nickelblodite Na2(Ni,Mg)(SO4)2·4(H2O) P 2₁/a 2/m

VI/C.18-25 Changoite! Na2Zn(SO4)2·4(H2O) P 2₁/a 2/m

VI/C.18-30 Leonite K2Mg(SO4)2·4(H2O) C 2/m 2/m

VI/C.18-40 Konyaite Na2Mg(SO4)2·5(H2O) P 2₁/c 2/m

Other Konyaite 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 Konyaite :
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 -École des Mines de Paris

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Konyaite

Na2Mg(SO4)2·5(H2O)
Dana No: 29.3.5.1 Strunz No: VI/C.18-40
Locality:

Notes: