Stanleyite Mineral Data

Stanleyite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About



[Newest Minerals] [Minerals for Sale] [Educational Articles] [About Us] [Image Gallery]
John Betts - Fine Minerals
Classic minerals, out-of-print books & magazines, plus informative articles for collectors


General Stanleyite Information

Help on Chemical Formula: Chemical Formula: (V++++O)SO4•6(H2O)
Help on Composition: Composition: Molecular Weight = 271.10 gm
   Vanadium  18.79 %  V    33.55 % V2O5
   Hydrogen   4.46 %  H    39.87 % H2O
   Sulfur    11.83 %  S    29.53 % SO3
   Oxygen    64.92 %  O
            ______        ______ 
            100.00 %      102.95 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: V5+O(SO4)•6(H2O)
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Minasragra, Peru. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Henry Morton Stanley (1841-1904), British journalist and explorer ("Dr. Livinston I presume?")
Help on Name Pronunciation: Name Pronunciation: Stanleyite + Pronunciation Say STANLEYITE
 

Stanleyite Image

Click Here for Larger Stanleyite Image in a New Browser Window Images:
Click Here for Larger Stanleyite Image

Stanleyite   Patronite

Comments: Blue crystalline stanleyite on dark patronite.
Location: Minas Ragra, Junin, Peru. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Stanleyite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.2481:1:1.5365
Help on Cell Dimensions: Cell Dimensions: a = 12.12, b = 9.71, c = 14.92, Z = 8; V = 1,755.86 Den(Calc)= 2.05
Help on Crystal System: Crystal System: OrthorhombicSpace Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.2(1), 4.98(0.9), 4.69(0.8),
 

Physical Properties of Stanleyite

Help on Cleavage: Cleavage: None
Help on Color: Color: Blue, Deep blue.
Help on Density: Density: 1.95
Help on Habit: Habit: Crystalline - Fine - Occurs as well-formed fine sized crystals.
Help on Habit: Habit: Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation.
Help on Hardness: Hardness: 1-1.5 - Talc or a little harder
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Streak: Streak: white
 

Optical Properties of Stanleyite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.118 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.161 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2532,KPDmeas= 0.2662,KC= 0.3019
Ncalc = 1.59 - 1.62
Help on Optical Data: Optical Data: Biaxial (+), a=1.505, b=1.519, g=1.533, bire=0.0280, 2V(Calc)=88, 2V(Meas)=large.
 

Calculated Properties of Stanleyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.00 gm/cc
note: Specific Gravity of Stanleyite =1.95 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0016751984
Boson Index = 0.9983248016
Help on Photoelectric: Photoelectric: PEStanleyite = 4.21 barns/electron
U=PEStanleyite x rElectron Density= 8.41 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Stanleyite is Not Radioactive
 

Stanleyite Classification
Help on Dana Class: Dana Class: 29.06.13.01 (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
Help on Strunz Class: Strunz Class: 07.DE.50 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DE -With only medium-sized cations; unclassified
 
07.DE.50 Stanleyite (VO)SO4•6(H2O) Unk Ortho
 

Other Stanleyite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Stanleyite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Stanleyite using:

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

Visit our Advertisers for Stanleyite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Diamond Dan Publications

e-Rocks Auctions

Excalibur Minerals

Exceptional Minerals


Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Stanleyite Mineral Data :

Ask about Stanleyite 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 Espaņol

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

Stanleyite

(V++++O)SO4•6(H2O)
Dana No: 29.06.13.01 Strunz No: 07.DE.50
Locality:

 

Notes: