Anorthominasragrite Mineral Data

Anorthominasragrite Mineral Data

General Anorthominasragrite Information

Chemical Formula:

V++++O(SO4)(H2O)5

Composition:

Molecular Weight = 254.48 gm

Vanadium 20.82 % V 33.90 % VO₂

Hydrogen 3.96 % H 35.40 % H₂O

Sulfur 12.35 % S 27.75 % S₂O₅

Oxygen 62.87 % O

______ ______

100.00 % 97.04 % = TOTAL OXIDE

Empirical Formula:

V⁴⁺_1.04S_0.98O₅(H₂O)₅

Environment:

Found in a silicified tree fossil.

IMA Status:

Approved IMA 2003 (Dana # Added)

Locality:

Shinarump conglomerate member of the late Triassic Chinle Formation,Temple Mountain, Emery County, Utah, USA. Link to MinDat.org Location Data.

Name Origin:

Named for as the triclinic polymorph of minasragrite.

Synonym:

IMA2001-040

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Anorthominasragrite Crystallography

Axial Ratios:

a:b:c =0.967:1:1.002

Cell Dimensions:

a = 7.548, b = 7.805, c = 7.821, Z = 2; alpha = 79.03°, beta = 71.94°, gamma = 65.31° V = 390.73 Den(Calc)= 2.16

Crystal System:

Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1

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

By Intensity(I/I_o): 6.617(1)(100), 3.712(0.8)(121,002,211), 4.116(0.8)(110),7.053(0.8)(010), 3.206(0.7)(221), 2.934(0.5)(112,102), 5.314(0.3)(011),

Crystal Structure:

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Cooper M A , Hawthorne F C , Grice J D , Haynes P , The Canadian Mineralogist , 41 (2003) p.959-979, Anorthominasragrite, VO(SO4)(H2O)5, a new mineral species from Temple Mountain,, Emery County, Utah, U.S.A.: Description, crystal structure and hydrogen bonding, Locality: Temple Mountain, Emery County, Utah, USA

Physical Properties of Anorthominasragrite

Cleavage:

None

Color:

Blue green.

Habit:

Aggregates - Made of numerous individual crystals or clusters.

Habit:

Encrustations - Forms crust-like aggregates on matrix.

Habit:

Spherical - Spherical, rounded aggregates.

Hardness:

1 - Talc

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Anorthominasragrite

Gladstone-Dale:

CI calc= -0.021 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2588,KC= 0.2536

Optical Data:

Biaxial (+), a=1.548, b=1.555, g=1.574, bire=0.0260

Calculated Properties of Anorthominasragrite

Electron Density:

r_electron=2.20 gm/cc
note: r_{Anorthominasragrite}=2.16 gm/cc.

Fermion Index

Fermion Index = 0.00175
Boson Index = 0.99825

Photoelectric:

PE_{Anorthominasragrite}= 4.61 barns/electron
U=PE_{Anorthominasragrite} x r_electron= 10.15 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Anorthominasragrite is Not Radioactive

Anorthominasragrite Classification

Dana Class:

29.6.12.3 (29)Hydrated Acid and Sulfates

(29.6)where A XO4 · x(H2O)

(29.6.12)Minasragrite Group (Monclinic and Triclinic)

29.6.12.1 Minasragrite VO(SO4)·5(H2O) P 2₁/a 2/m

29.6.12.2 Bobjonesite! VO(SO4)(H2O)3 P 2₁/m 2/m

29.6.12.3 Anorthominasragrite ! VO(SO4)(H2O)5 P1 1

Strunz Class:

VI/D.05-06 VI - Sulfates,Chromates,Molybdates and Tungstates

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

VI/D.05 - Minasragrite - Stanleyite series

VI/D.05-03 Bobjonesite! VO(SO4)(H2O)3 P 2₁/m 2/m

VI/D.05-05 Orthominasragrite! VO(SO4)·5(H2O) P mn2₁ mm2

VI/D.05-06 Anorthominasragrite VO(SO4)(H2O)5 P1 1

VI/D.05-10 Minasragrite VO(SO4)·5(H2O) P 2₁/a 2/m

VI/D.05-20 Stanleyite (VO)SO4·6(H2O) Unk Ortho

Other Anorthominasragrite Information

References:

NAME( CanMin, v 41, p 959) PHYS. PROP.(CanMin, v 41, p 959) OPTIC PROP.(CanMin, v 41, p 959)

See Also:

Links to other databases for Anorthominasragrite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

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

Anorthominasragrite

V++++O(SO4)(H2O)5
Dana No: 29.6.12.3 Strunz No: VI/D.05-06
Locality:

Notes: