Difference between revisions of "Navajoite"
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'''Navajoite''' is a [[vanadate mineral]], a [[vanadium]] [[oxide]], with formula V<sub>2</sub>O<sub>5</sub>·3H<sub>2</sub>O. It is a hydrated mineral form of [[vanadium pentoxide]]. | '''Navajoite''' is a [[vanadate mineral]], a [[vanadium]] [[oxide]], with formula V<sub>2</sub>O<sub>5</sub>·3H<sub>2</sub>O. It is a hydrated mineral form of [[vanadium pentoxide]]. | ||
| − | The [[type specimen]] was discovered in a mine in Monument Valley ({{coord|36|59|N|110|6|W|alt={{nowrap|36° 59′ N}}, {{nowrap|110° 6′ W}}}}), [[Arizona]], USA, in 1954.<ref name="WebMineral"/><ref name="Mindat"/> | + | The [[type specimen]] was discovered in a mine in Monument Valley ({{coord|36|59|N|110|6|W|alt={{nowrap|36° 59′ N}}, {{nowrap|110° 6′ W}}}}), [[Arizona]], USA, in 1954.<ref name="WebMineral"/><ref name="Mindat"/> Navajoite has also been found in other areas of the Colorado Plateau, and at Potash Sulphur Springs<!--NOTE: This is not a spelling mistake!--> ({{coord|34|28|30|N|92|57|48|W|alt={{nowrap|34° 28′ 30″ N}}, {{nowrap|92° 57′ 48″ W}}}}), near the Hot Springs National Park in Arkansas.<ref name="Mindat"/> |
| − | Navajoite is named after the Navajo Indian Nation, on whose territory the first | + | Navajoite is named after the Navajo Indian Nation, on whose territory the first specimen was found.<ref name="WebMineral"/> |
==See also== | ==See also== | ||
Latest revision as of 11:44, 1 December 2009
| Navajoite | |
|---|---|
| General | |
| Category | Vanadate minerals, unclassified |
| Chemical formula | V2O5·3H2O |
| Strunz classification | 04.HG.30 |
| Dana classification | 4.6.2.1 |
| Crystal symmetry | 2/m - Monoclinic |
| Z | 10 |
| Identification | |
| Molar mass | 235.94 g/mol |
| Color | dark brown |
| Crystal system | Monoclinic |
| Mohs scale hardness | 1½ |
| Luster | adamantine |
| Streak | brown |
| Diaphaneity | opaque |
| Density | 2.56 g/cm3 |
| Solubility | soluble |
| References | [1][2] |
Navajoite is a vanadate mineral, a vanadium oxide, with formula V2O5·3H2O. It is a hydrated mineral form of vanadium pentoxide.
The type specimen was discovered in a mine in Monument Valley (36° 59′ N, 110° 6′ W), Arizona, USA, in 1954.[1][2] Navajoite has also been found in other areas of the Colorado Plateau, and at Potash Sulphur Springs (34° 28′ 30″ N, 92° 57′ 48″ W), near the Hot Springs National Park in Arkansas.[2]
Navajoite is named after the Navajo Indian Nation, on whose territory the first specimen was found.[1]
See also
- Shcherbinaite, V2O5
References
- ↑ 1.0 1.1 1.2 Navajoite, <http://www.webmineral.com/data/Navajoite.shtml> (accessed 1 December 2009), WebMineral.com.
- ↑ 2.0 2.1 2.2 Navajoite, <http://www.mindat.org/show.php?id=2867> (accessed 1 December 2009), MinDat.org.
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