IMA mineral species

Malladrite

Na₂[SiF₆]

Halide mineral.

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

Properties

Chemical formulaNa₂[SiF₆]
ElementsNa, Si, F
Crystal systemTrigonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMld
Nickel–Strunz class3.CH.05

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

🌍 Where it's found

Type locality (where it was first described): Mount Vesuvius, Italy

  • 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.