Pintadoite Mineral Data

Pintadoite Mineral Data
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General Pintadoite Information

Help on Chemical Formula: Chemical Formula: Ca2V2O7•9(H2O)
Help on Composition: Composition: Molecular Weight = 456.17 gm
   Calcium   17.57 %  Ca   24.59 % CaO
   Vanadium  22.33 %  V    39.87 % V2O5
   Hydrogen   3.98 %  H    35.54 % H2O
   Oxygen    56.12 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2V5+2O7•9(H2O)
Help on Environment: Environment: Thin coatings on sandstone. An inadequately characterized species.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1914
Help on Locality: Locality: Canyon Pintado, San Juan Co., New Mexico, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Name Pronunciation: Name Pronunciation: Pintadoite + Pronunciation Say PINTADOITE
 

Pintadoite Image

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Pintadoite

Comments: Dark green to lighter green pintadoite coatings on sandstone.
Location: Deremo-Snyder Mine, San Miguel County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Pintadoite Crystallography
Help on Crystal System: Crystal System: TetragonalSpace Group: Tetra ?
 

Physical Properties of Pintadoite

Help on Color: Color: Light green, Dark green.
Help on Habit: Habit: Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation.
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Streak: Streak: yellow green
 

Optical Properties of Pintadoite

Help on Dichroism (e): Dichroism (e): yellowish green.
Help on Dichroism (w): Dichroism (w): yellowish green.
Help on Optical Data: Optical Data: Uniaxial (?).
 
 

Calculated Properties of Pintadoite

Help on Fermion Index: Fermion Index: Fermion Index = 0.0010709
Boson Index = 0.9989291
Help on Photoelectric: Photoelectric: PEPintadoite = 6.28 barns/electron
U=PEPintadoite x rElectron Density= . barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Pintadoite is Not Radioactive
 

Pintadoite Classification
Help on Dana Class: Dana Class: 47.04.03.01 (47)Vanadium Oxysalts
  (47.04)(Hydrated Containing V++++ and V+++++)
  (47.04.03)Dana Group
 
47.04.03.01 Pintadoite Ca2V2O7•9(H2O) Tetra ? Tetra
Help on Strunz Class: Strunz Class: 08.FC.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.F - Polyphosphates, Polyarsenates, [4]-Polyvanadates
  08.FC -Polyphosphates, etc., with H2O only
 
08.FC.15 Pintadoite Ca2V2O7•9(H2O) Tetra ? Tetra
 

Other Pintadoite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Pintadoite :
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

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Ask about Pintadoite here :
Ask-A-Mineralogist from the Mineralogical Society of America
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Print or Cut-and-Paste your Pintadoite Specimen Label here :

Pintadoite

Ca2V2O7•9(H2O)
Dana No: 47.04.03.01 Strunz No: 08.FC.15
Locality:

 

Notes: