IMA mineral species

Hewettite

CaV⁵⁺₆O₁₆·9H₂O

Hydrous vanadate(V) mineral.

Hewettite specimen
Hewettite-135163.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCaV⁵⁺₆O₁₆·9H₂O
ElementsCa, V, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolHew
Nickel–Strunz class4.HE.15

“—” means no reliable value in Wikidata yet. Check Mindat for full data.