Konyaite Mineral Data

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)

Environment:

Salt efflorescences on saline soils, formed between 30 deg C and 50deg C by evaporation of ground and surface waters.

IMA Status:

Approved IMA 1982

Locality:

Cakmak, between Eregli and Nigde, Great Konya Basin, Konya Province, Turkey. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Konyaite

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
Ncalc = 1.47

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:

Bulk Density (Electron Density)=2.14 gm/cc
note: Specific Gravity of Konyaite =2.10 gm/cc.

Fermion Index:

Fermion Index = 0.0085473463
Boson Index = 0.9914526537

Photoelectric:

PE_Konyaite= 1.52 barns/electron
U=PE_Konyaite x rElectron Density= 3.26 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Konyaite is Not Radioactive

Konyaite Classification

Dana Class:

29.03.05.01 (29)Hydrated Acid and Sulfates

(29.03)where (A+)2 B (XO4)2 · x(H2O)

(29.03.05)Dana Group

29.03.05.01 Konyaite Na2Mg(SO4)2•5(H2O) P 2₁/c 2/m

Strunz Class:

07.CC.80 07 - SULFATES (SELENATES, TELLURATES)

07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O

07.CC -With medium-sized and large cations

07.CC.80 Konyaite Na2Mg(SO4)2•5(H2O) P 2₁/c 2/m

Other Konyaite Information

References:

NAME( AntBidBlaNic5) 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 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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

Konyaite

Na2Mg(SO4)2•5(H2O)
Dana No: 29.03.05.01 Strunz No: 07.CC.80
Locality:

Notes: