Vanadium
Image: <a href="//commons.wikimedia.org/wiki/User:Alchemist-hp" title="User:Alchemist-hp">Alchemist-hp</a> (<a rel="nofollow" class="external text" href="http://www.pse-mendelejew.de">pse-mendelejew.de</a>). (FAL)
Mineral NameVanadium
Chemical FormulaV
Mohs Hardness7
Crystal Systemcubic
Lustermetallic
Streak Colorgray-black
Cleavagenone
Fracturehackly
Specific Gravity6.11
Colorssilvery-gray, steel-gray, greenish-bronze, dark iridescent
Transparencyopaque
Type LocalityNot applicable (industrial production)
Mineral GroupNative Elements
Usesalloys (steel, titanium), catalysts, batteries, nuclear applications, collector
Associated Mineralsvanadinite, carnotite, patronite, roscoelite
Rarityuncommon
Description
The image displays three elongated crystal bars of pure vanadium, exhibiting varying degrees of surface oxidation from bright silvery-gray to iridescent greenish-bronze and dark, alongside a polished 1 cm³ cube of highly pure vanadium.
Geological Context
While vanadium is naturally found in various minerals within igneous and sedimentary rocks, these specific samples are pure elemental vanadium produced industrially via the crystal bar process, not naturally occurring mineral formations.
