IMA mineral species

Kvanefjeldite

Na₄(Ca,Mn)(Si₃O₇)₂(OH)₂

Transitional ino-phyllosilicate, mineral.

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

Properties

Chemical formulaNa₄(Ca,Mn)(Si₃O₇)₂(OH)₂
ElementsNa, Ca, Mn, Si, O, H
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolKva
Nickel–Strunz class9.DP.30

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

🌍 Where it's found

Type locality (where it was first described): Kvanefjeld, Greenland · Kvanefjeld, Greenland

  • 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.