General Pintadoite Information Chemical Formula: |
Ca2V2O7•9(H2O) |
Composition: |
Molecular Weight = 456.17 gm |
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Calcium 17.57 % Ca 24.59 % CaO |
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Vanadium 22.33 % V 39.87 % V2O5 |
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Hydrogen 3.98 % H 35.54 % H2O |
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Oxygen 56.12 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Ca2V5+2O7•9(H2O) |
Environment: |
Thin coatings on sandstone. An inadequately characterized species. |
IMA Status: |
Valid Species (Pre-IMA) 1914 |
Locality: |
Canyon Pintado, San Juan Co., New Mexico, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named after its locality. |
Name Pronunciation: |
Pintadoite + Pronunciation |
| | Pintadoite Image
Images:
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Pintadoite Crystallography Crystal System: |
TetragonalSpace Group: Tetra ? |
| Physical Properties of Pintadoite Color: |
Light green, Dark green. |
Habit: |
Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation. |
Luminescence: |
Non-fluorescent. |
Streak: |
yellow green |
| Optical Properties of Pintadoite Dichroism (e): |
yellowish green. |
Dichroism (w): |
yellowish green. |
Optical Data: |
Uniaxial (?). |
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| Calculated Properties of Pintadoite Fermion Index: |
Fermion Index = 0.0010709 |
Boson Index = 0.9989291 Photoelectric: |
PEPintadoite = 6.28 barns/electron |
U=PEPintadoite x rElectron Density= . barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Pintadoite is Not Radioactive | Pintadoite Classification Dana Class: |
47.04.03.01 (47)Vanadium Oxysalts |
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(47.04)(Hydrated Containing V++++ and V+++++) |
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(47.04.03)Dana Group |
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Strunz Class: |
08.FC.15 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.F - Polyphosphates, Polyarsenates, [4]-Polyvanadates |
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08.FC -Polyphosphates, etc., with H2O only |
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| Other Pintadoite Information References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) |
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 Search for Pintadoite using: Visit our Advertisers for Pintadoite : A Bijoux Google Search for PintadoiteAdam's Minerals Google Search for Pintadoite Cape Minerals Google Search for Pintadoite Dakota Matrix Minerals Google Search for Pintadoite Excalibur Mineral Corp. Google Search for Pintadoite Exceptional Minerals Google Search for Pintadoite John Betts Fine Minerals Search for Pintadoite McDougall Minerals Google Search for Pintadoite Mineral News Website Link Rock and Mineral Shows Google Search for Pintadoite Weinrich Minerals, Inc. Google Search for Pintadoite Ask about Pintadoite here : Print or Cut-and-Paste your Pintadoite Specimen Label here :
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