IMA mineral species

Eugenite

Ag₁₁Hg₂

Rare mineral that can be found in cuprite and in low-grade copper sulfide ores in shale and carbonate rocks..

Eugenite specimen
Eugenite with Luanheite - Privolnoye - Sakha Republic - Russia.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaAg₁₁Hg₂
ElementsAg, Hg
Crystal systemCubic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolEug
Nickel–Strunz class1.AD.15c

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