IMA mineral species

Hellyerite

Carbonate mineral.

Blue

Hellyerite specimen
Hellyerite-Heazlewoodite-Zaratite-255032.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula—
Elements—
Crystal systemTriclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolHy
Nickel–Strunz class5.CA.20

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