IMA mineral species

Macquartite

Cu₂Pb₇(CrO₄)₄(SiO₄)₂(OH)₂

Unclassified silicate.

Properties

Chemical formulaCu₂Pb₇(CrO₄)₄(SiO₄)₂(OH)₂
ElementsCu, Pb, Cr, O, Si, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMcq
Nickel–Strunz class9.HH.05

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

🌍 Where it's found

Type locality (where it was first described): Mammoth-Saint Anthony mine, United States