Uklonskovite Mineral Data

Uklonskovite Mineral Data +

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General Uklonskovite Information

Chemical Formula:

NaMg(SO4)F·2(H2O)

Composition:

Molecular Weight = 198.39 gm

Sodium 11.59 % Na 15.62 % Na₂O

Magnesium 12.25 % Mg 20.32 % MgO

Hydrogen 2.03 % H 18.16 % H₂O

Sulfur 16.16 % S 40.36 % SO₃

Oxygen 48.39 % O

Fluorine 9.58 % F 9.58 % F

- % F -4.03 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

NaMg(SO₄)F·2(H₂O)

IMA Status:

Approved IMA 1964

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 201712

PDF 39-320

Uklonskovite Image

Images:

Uklonskovite

Comments: Minute crystals and crystalline uklonskovite.
Location: Pampa del Pique III, Antofagasta, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Uklonskovite Crystallography

Axial Ratios:

a:b:c =0.9983:1:0.7948

Cell Dimensions:

a = 7.202, b = 7.214, c = 5.734, Z = 2; beta = 113.23° V = 273.76 Den(Calc)= 2.41

Crystal System:

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

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

By Intensity(I/I_o): 3.505(1), 6.608(0.78), 5.27(0.6),

Physical Properties of Uklonskovite

Color:

Colorless.

Density:

2.42 - 2.5, Average = 2.46

Diaphaniety:

Transparent

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Uklonskovite

Gladstone-Dale:

CI meas= 0.046 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.026 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2025,KPDmeas= 0.1984,KC= 0.208

Optical Data:

Biaxial (+), a=1.476, g=1.5, bire=0.0240

Calculated Properties of Uklonskovite

Electron Density:

r_electron=2.43 gm/cc
note: r_Uklonskovite=2.41 gm/cc.

Fermion Index

Fermion Index = 0.01369
Boson Index = 0.98631

Photoelectric:

PE_Uklonskovite= 1.52 barns/electron
U=PE_Uklonskovite x r_electron= 3.70 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Uklonskovite is Not Radioactive

Uklonskovite Classification

Dana Class:

31.7.2.1 (31)Hydrated Sulfates Containing Hydroxyl or Halogen

(31.7)where (A+ B++)2 (XO4) Zq·x(H2O)

(31.7.2)Dana Group

31.7.2.1 Uklonskovite NaMg(SO4)F·2(H2O) P 2₁/m 2/m

Strunz Class:

VI/D.18-20 VI - Sulfates,Chromates,Molybdates and Tungstates

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

VI/D.18 - Kainite - Natrochalcite series

VI/D.18-10 Kainite MgSO4·KCl·3(H2O) C 2/m 2/m

VI/D.18-20 Uklonskovite NaMg(SO4)F·2(H2O) P 2₁/m 2/m

VI/D.18-30 Natrochalcite NaCu2(SO4)2(OH)·(H2O) I2/m 2/m

VI/D.18-40 Vonbezingite Ca6Cu3(SO4)3(OH)12·2(H2O) P 2₁/c 2/m

Other Uklonskovite 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 Uklonskovite :
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 Uklonskovite Specimen Label here :

Uklonskovite

NaMg(SO4)F·2(H2O)
Dana No: 31.7.2.1 Strunz No: VI/D.18-20
Locality:

Notes: