IMA mineral species

Antarcticite

CaCl₂·6H₂O

Halide mineral.

White & Clear

Properties

Chemical formulaCaCl₂·6H₂O
ElementsCa, Cl, H, O
Crystal systemTrigonal
Mohs hardness—
Density1.715 g/cm³
Streak—
Color—
IMA symbolAtc
Nickel–Strunz class3.BB.30

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

🌍 Where it's found

Type locality (where it was first described): East Antarctica

  • Type locality
  • Notable source / deposit
  • Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.