IMA mineral species

Magnesio-hastingsite

NaCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂

Ca-amphibole, double chain inosilicate mineral.

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Magnesio-hastingsite specimen
Magnesiohastingsite.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNaCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
ElementsNa, Ca, Mg, Fe, Si, Al, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
Cleavage{110}
IMA symbolMhst
Nickel–Strunz class9.DE.15

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

🌍 Where it's found

Type locality (where it was first described): Mount Royal, Canada

  • 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.