IMA mineral species

Kolymite

Cu₇Hg₆

Amalgam mineral.

Kolymite specimen
Kolymite.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness4
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A steel knife scratches it, it won't scratch glass.

⚖ Density13.1 g/cm³
Very heavy
Chemical formulaCu₇Hg₆
ElementsCu, Hg
Crystal systemCubic
Mohs hardness4
Density13.1 g/cm³
Streak—
Color—
IMA symbolKym
Nickel–Strunz class1.AD.10

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