IMA mineral species

Plancheite

Cu₈(Si₈O₂₂)(OH)₄·H₂O

Inosilicate mineral.

GreenBlue

Plancheite specimen
Plancheite-224143.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCu₈(Si₈O₂₂)(OH)₄·H₂O
ElementsCu, Si, O, H
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streaklight blue
Color—
IMA symbolPch
Nickel–Strunz class9.DB.35

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