Where it forms, where it's found
- Geological setting
McElmo Sandstone.
- Type locality
- Frisco No. 2 claim
- Pintado Canyon
- San Juan County
- Utah
- USA
13recorded occurrences
Physical
- Transparency
- Translucent
- Colour
- Light to dark green
Optical
- Optical type
- Uniaxial
- Pleochroism
- Weak
In yellow-greens.
Crystallography
- Morphology
Occurs as crusts and stains. Twinned, lathlike crystals result from solution after dissolved in water.
- Type-locality form
Efflorescences
- Comment
No crystallographic data
Chemical composition
Synonyms
- Pintadoiet
In other languages
- German
- Pintadoit
- Italian
- Pintadoite
Classification
Strunz
10th ed.8.FC.15
- 8Phosphates, Arsenates, VanadatesClass
- 8.FPolyphosphates, Polyarsenates, [4]-PolyvanadatesDivision
- 8.FCPolyphosphates, etc., with H2O onlyGroup
- 8.FC.15PintadoiteSpecies
Dana
8th ed.47.04.03.01
- 47Vanadium OxysaltsClass
- 47.04Vanadium BronzesType
- 47.04.03— unnamed intermediate level —Group
- 47.04.03.01PintadoiteSpecies
CIM
—21.2.5
- 21Vanadates (and vanadates with arsenate or phosphate)Class
- 21.2Vanadates of Mg, Ca, Sr or BaGroup
- 21.2.5PintadoiteSpecies
Group, growth & confusion
Literature, links & citation
Citations
- 1914Hess, F.L. and Schaller, W.T. (1914) Pintadoite and Uvanite, two new vanadium minerals from Utah : A preliminary note. Journal of the Washington Academy of Science: 4: 576-579.
- 1951Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.
- 2005(2005) Pintadoite. Handbook of Mineralogy. Mineralogical Society of America
Cite this entry
@misc{mineral2026,
author = {Mineral Index editorial board},
title = {Pintadoite — Mineral Index},
year = {2026},
url = {https://mineralindex.org/minerals/pintadoite-3218},
note = {Accessed 2026-05-11}
}