Orthominasragrite Mineral Data

[Content and History] [Recent Issues] [Back Issues] [Subscriptions] [Contacts]
See Also: [Diamond Crystals] [Excalibur Minerals] [Hudson Institute] [Minerals on CDROM]
Mineral News was founded some twenty years ago and has developed a following of
avid mineral collectors seeking timely information about new finds and other items
of interest to the collector community. Articles are solicited from collector and scientific authors.

General Orthominasragrite Information

Chemical Formula:

VO(SO4)•5(H2O)

Composition:

Molecular Weight = 253.08 gm

Vanadium 20.13 % V 35.93 % V₂O₅

Hydrogen 3.98 % H 35.59 % H₂O

Sulfur 12.67 % S 31.64 % SO₃

Oxygen 63.22 % O

______ ______

100.00 % 103.16 % = TOTAL OXIDE

Empirical Formula:

V⁵⁺O(SO₄)(H₂O)₅

Environment:

Secondary mineral in sediment-hosted uranium-vanadium ore deposits.

IMA Status:

Approved IMA 2000 (Dana # Added)

Locality:

Triassic Shinarump conglomerate at the North Mesa Mina group, Emery County, Utah, USA. Link to MinDat.org Location Data.

Name Origin:

Named for the polymorphic relationship to minasragrite.

Synonym:

IMA2000-018

IMA2001-040

Orthominasragrite Image

Images:

Orthominasragrite

Comments: Dark blue, spherical aggregate of orthominasragrite.
Location: Temple Mountain, Emery Co., Utah, USA. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Orthominasragrite Crystallography

Axial Ratios:

a:b:c =0.7763:1:0.6653

Cell Dimensions:

a = 7.246, b = 9.333, c = 6.21, Z = 2; V = 419.96 Den(Calc)= 2.00

Crystal System:

Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: P mn2₁

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

By Intensity(I/I_o): 4.699(1)(101,020), 3.322(0.5)(121), 2.865(0.4)(220),2.602(0.3)(221,131,022), 2.03(0.2), 2.363(0.2), 3.734(0.2),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Hawthorne F C , Schindler M , Grice J D , Haynes P , The Canadian Mineralogist , 39 (2001) p.1325-1331, Orthominasragrite, VO(SO4)(H2O)5, a new mineral species from Temple, Mountain, Emery county, Utah, U.S.A., Locality: Temple Mountain, Emery county, Utah, USA

Physical Properties of Orthominasragrite

Cleavage:

None

Color:

Bright blue, Pale blue.

Diaphaneity:

Translucent

Habit:

Encrustations - Forms crust-like aggregates on matrix.

Hardness:

1 - Talc

Luster:

Vitreous (Glassy)

Streak:

pale blue

Optical Properties of Orthominasragrite

Gladstone-Dale:

CI calc= 0.11 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2662,KC= 0.2992
Ncalc = 1.6

Optical Data:

Biaxial (-), a=1.529, b=1.534, g=1.534, bire=0.0050

Calculated Properties of Orthominasragrite

Electron Density:

Bulk Density (Electron Density)=2.04 gm/cc
note: Specific Gravity of Orthominasragrite =2.00 gm/cc.

Fermion Index:

Fermion Index = 0.0017629058
Boson Index = 0.9982370942

Photoelectric:

PE_{Orthominasragrite}= 4.51 barns/electron
U=PE_{Orthominasragrite} x rElectron Density= 9.19 barns/cc.

Radioactivity:

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

Orthominasragrite Classification

Dana Class:

29.06.13.02 (29)Hydrated Acid and Sulfates

(29.06)where A XO4 · x(H2O)

(29.06.13)Minasragrite Group (Orthorhombic)

29.06.13.01 Stanleyite (VO)SO4•6(H2O) Unk Ortho

29.06.13.02 Orthominasragrite! VO(SO4)•5(H2O) P mn2₁ mm2

Strunz Class:

07.DB.20 07 - SULFATES (SELENATES, TELLURATES)

07.D - Sulfates (selenates, etc.) with additional anions, with H2O

07.DB -With only medium-sized cations; insular octahedra and finite groups

07.DB.20 Minasragrite VO(SO4)•5(H2O) P 2₁/a 2/m

07.DB.20 Orthominasragrite! VO(SO4)•5(H2O) P mn2₁ mm2

07.DB.20 Anorthominasragrite! VO(SO4)(H2O)5 P1 1

Other Orthominasragrite Information

References:

NAME( AmMin, vol 87, p 997) PHYS. PROP.(AmMin, vol 87, p 997) OPTIC PROP.(AmMin, vol 87, p 997)

See Also:

Links to other databases for Orthominasragrite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - Handbook of Mineralogy (MinSocAm)
6 - MinDAT
7 - MinMax(Deutsch)
8 - MinMax(English)
9 - Mineralienatlas (Deutsch)
10 - QUT Mineral Atlas
11 - Ruff.Info

Search for Orthominasragrite using:

[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Orthominasragrite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Orthominasragrite Mineral Data :

Ask about Orthominasragrite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Orthominasragrite

VO(SO4)•5(H2O)
Dana No: 29.06.13.02 Strunz No: 07.DB.20
Locality:

Notes: