Magnolite Mineral Data

Magnolite Mineral Data +

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General Magnolite Information

Chemical Formula:

Hg+2Te++++O3

Composition:

Molecular Weight = 576.78 gm

Mercury 69.56 % Hg 72.33 % Hg₂O

Tellurium 22.12 % Te 27.67 % TeO₂

Oxygen 8.32 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Hg₂TeO₃

IMA Status:

Valid Species (Pre-IMA) 1877

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 203064

PDF 45-1459

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Magnolite Crystallography

Axial Ratios:

a:b:c =0.5621:1:0.3539

Cell Dimensions:

a = 5.948, b = 10.58, c = 3.745, Z = 2; V = 235.67 Den(Calc)= 8.13

Crystal System:

Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: Pbm2

Crystal Structure:

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Grice J D , The Canadian Mineralogist , 27 (1989) p.133-136, The crystal structure of magnolite, Hg2TeO3, Locality: Mount Lion Mine, Colorado, USA

Physical Properties of Magnolite

Cleavage:

[???] Perfect

Color:

Colorless, Yellow green, Light brown.

Diaphaniety:

Transparent to Opaque

Luster:

Adamantine - Silky

Streak:

white

Optical Properties of Magnolite

Optical Data:

NCalc= 2.3 - from Gladstone-Dale relationship (KC = 0.1598) where Ncalc=Dcalc*KC+1

Calculated Properties of Magnolite

Electron Density:

r_electron=6.65 gm/cc
note: r_Magnolite=8.13 gm/cc.

Fermion Index

Fermion Index = 0.22777
Boson Index = 0.77223

Photoelectric:

PE_Magnolite=1,285.98 barns/electron
U=PE_Magnolite x r_electron=8,555.74 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Magnolite is Not Radioactive

Magnolite Classification

Dana Class:

34.1.7.1 (34)Selenites - Tellurites - Sulfites

(34.1)as A++ XO3

(34.1.7)Dana Group

34.1.7.1 Magnolite Hg2TeO3 Pbm2 mm2

Strunz Class:

IV/K.02-20 IV - Oxides

IV/K - Sulfides, selenides, tellurides with [XO3]2- groups and related structures

IV/K.02 - Balyakinite - Plumbotellurite series

IV/K.02-10 Balyakinite CuTeO3 Pmcn 2/m 2/m 2/m

IV/K.02-20 Magnolite Hg2TeO3 Pbm2 mm2

IV/K.02-30 Fairbankite PbTeO3 P1 1

IV/K.02-40 Plumbotellurite PbTeO3 Unk Ortho

Other Magnolite Information

References:

PHYS. PROP.(Am.Min.,Vol.75,p437,1990)

See Also:

Links to other databases for Magnolite :
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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Print or Cut-and-Paste your Magnolite Specimen Label here :

Magnolite

Hg+2Te++++O3
Dana No: 34.1.7.1 Strunz No: IV/K.02-20
Locality:

Notes: