Vanadinite


Vanadinite is a popular mineral composed of lead chlorovanadate. [1]

Images of vanadinite

Vanadinite: Quick Facts and Characteristics

Some quick facts for Vanadinite:
  • Transparency: Vanadinite can be opaque, translucent or transparent.
  • Crystallography: In terms of crystallography, vanadinite is hexagonal.
  • Luster: In terms of luster, vanadinite can be adamantine, greasy or resinous.
  • Streak: Vanadinite streaks light yellow or yellow.
  • Hardness: Vanadinite's hardness ranges from 2.5 to 3 on the Moh's scale.
  • Specific Gravity: Vanadinite's specific gravity ranges from 6.5 to 6.88.

Vanadinite: Background and Summary

Vanadinite is a mineral that is composed of lead, vanadium, oxygen, and chlorine. It typically forms as small hexagonal crystals that are bright red to orange in color. It is commonly found in arid regions and is often associated with other lead minerals such as galena and cerussite. Vanadinite is also known for its distinctive crystal habit, which consists of small hexagonal prisms that are often clustered together.

One of the most common uses of vanadinite is as a source of vanadium, which is an important industrial metal. Vanadium is used in the production of steel and other alloys and is also used in the production of batteries and other electronic components. In addition, vanadinite is also used as a gemstone and is popular among collectors due to its bright color and unique crystal habit.

To identify vanadinite, one can look for its bright red to orange color and its distinct crystal habit. It is also relatively heavy and has a high specific gravity, which can help to distinguish it from other minerals. However, it is important to note that vanadinite can sometimes be confused with other minerals such as mimetite, which has a similar color and crystal habit.

Vanadinite: Table of Properties

Attribute Vanadinite (src)
Transparency transparent, translucent, opaque
Chemical Formula Pb5(VO4)3Cl
Chemical Composition lead chlorovanadate
Specific Gravity 6.5, 6.88, 7.1
Hardness 2.5, 3
Streak light yellow, yellow
Crystallography hexagonal
Refractive Index 2.35, 2.416
Hydrous No
Colors common: brown, red, yellow
sometimes: orange, colorless
less common: gray, pale, white, multicolor
Category vanadate
Birefringence δ = 0.066
Fracture 1: 1


Vanadinite: FAQ

Q: Is vanadinite toxic?
A: Vanadinite can contain lead, which is toxic. It is important to handle vanadinite with care and to wash your hands after handling it.

Q: Where is vanadinite found?
A: Vanadinite is commonly found in arid regions such as the southwestern United States, Mexico, and Morocco.

Q: What is the chemical formula for vanadinite?
A: The chemical formula for vanadinite is Pb5(VO4)3Cl.

Sources

- Mindat.org. (n.d.). Vanadinite. Retrieved from https://www.mindat.org/min-4140.html
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Webmineral.com. (n.d.). Vanadinite Mineral Data. Retrieved from http://webmineral.com/data/Vanadinite.shtml
- Vanadinite: https://en.wikipedia.org/wiki/Vanadinite

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