IMA mineral species

Terlinguaite

Hg₂OCl

Halide mineral.

YellowGreenBrown

Terlinguaite specimen
Calomel, Terlinguaite-222734.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaHg₂OCl
ElementsHg, O, Cl
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolTlg
Nickel–Strunz class3.DD.20

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

🌍 Where it's found

Type locality (where it was first described): Terlingua district, United States