Crystopedia
IMA mineral species

Potassic-ferro-pargasite

KCa₂(Fe²⁺₄Al)(Si₆Al₂)O₂₂(OH)₂

Ca-amphibole, double chain inosilicate mineral.

Black

Properties

Chemical formulaKCa₂(Fe²⁺₄Al)(Si₆Al₂)O₂₂(OH)₂
ElementsK, Ca, Fe, Al, Si, O, H
Crystal systemMonoclinic
Mohs hardness5 – 7
Density—
Streak—
Colorblack
Cleavage{110}
IMA symbolPfprg
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): Kameyama, Japan

  • 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.

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