Doloresite Mineral Data

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


General Doloresite Information

Help on Chemical Formula: Chemical Formula: H8V++++6O16
Help on Composition: Composition: Molecular Weight = 569.70 gm
   Vanadium  53.65 %  V    87.35 % VO2
   Hydrogen   1.42 %  H    12.65 % H2O
   Oxygen    44.93 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: H8V4+6O16
Help on Environment: Environment: In relatively unoxidized uraniium-vanadium ores; from the cores of black, concretionary masses high in U-V, surrounding tyuyamunite-bearing sandstone.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1957
Help on Locality: Locality: La Sal No. 2 mine, Lumsden Canyon, Gateway District, Dolores River, southwestern Colorado, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Doloresite + Pronunciation Say DOLORESITE
Help on Synonym: Synonym: ICSD 27541
  PDF 11-368
 

Doloresite Image

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

Doloresite

Comments: black radiating doloresite and crystalline doloresite with white calcite.
Location: Grants, Valencia County, New Mexico, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Doloresite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =6.5685:1:1.6153
Help on Cell Dimensions: Cell Dimensions: a = 19.64, b = 2.99, c = 4.83, Z = 1; beta = 103.9° V = 275.33 Den(Calc)= 3.44
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.7(1), 2.45(0.5), 3.83(0.5),
Click Here for Large Doloresite Structure Window 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


Evans H T , Mrose M E , American Mineralogist , 45 (1960) p.1144-1166, A crystal chemical study of the vanadium oxide minerals, haggite and doloresite

 

Physical Properties of Doloresite

Help on Cleavage: Cleavage: {???} Good
Help on Color: Color: Dark brown, Black.
Help on Density: Density: 3.27 - 3.33, Average = 3.3
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Fibrous - Thin, elongated fractures produced by crystal forms or intersecting cleavages (e.g. asbestos).
Help on Habit: Habit: Botryoidal - "Grape-like" rounded forms (e.g.. malachite).
Help on Habit: Habit: Twinning Common - Crystals are usually twinned.
Help on Luster: Luster: Sub Metallic
Help on Streak: Streak: greenish black
 

Optical Properties of Doloresite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.294 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.323 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2616,KPDmeas= 0.2727,KC= 0.3863
Ncalc = 2.26 - 2.33
Help on Optical Data: Optical Data: Biaxial (?), b=1.9
Help on RL Anisotrophism: RL Anisotrophism: Strong.
Help on RL Color: RL Color: Gray with color variation along crystals.
 

Calculated Properties of Doloresite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.17 gm/cc
note: Specific Gravity of Doloresite =3.30 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0015590712
Boson Index = 0.9984409288
Help on Photoelectric: Photoelectric: PEDoloresite = 10.26 barns/electron
U=PEDoloresite x rElectron Density= 32.57 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Doloresite is Not Radioactive
 

Doloresite Classification
Help on Dana Class: Dana Class: 47.04.07.01 (47)Vanadium Oxysalts
  (47.04)(Hydrated Containing V++++ and V+++++)
  (47.04.07)Dana Group
 
47.04.07.01 Doloresite H8V6O16 C 2/m 2/m
Help on Strunz Class: Strunz Class: 04.HE.30 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.H - V[5,6] Vanadates
  04.HE -Phyllovanadates
 
04.HE.30 Doloresite H8V6O16 C 2/m 2/m
 

Other Doloresite Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Doloresite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

Search for Doloresite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Doloresite :

A Bijoux Google Search for Doloresite
Adam's Minerals Google Search for Doloresite
Cape Minerals Google Search for Doloresite
Dakota Matrix Minerals Google Search for Doloresite
Excalibur Mineral Corp. Google Search for Doloresite
Exceptional Minerals Google Search for Doloresite
John Betts Fine Minerals Search for Doloresite
McDougall Minerals Google Search for Doloresite
Mineral News Website Link
Rock and Mineral Shows Google Search for Doloresite
Weinrich Minerals, Inc. Google Search for Doloresite

Ask about Doloresite 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 Doloresite Specimen Label here :

Doloresite

H8V++++6O16
Dana No: 47.04.07.01 Strunz No: 04.HE.30
Locality:

 

Notes: