Crystopedia
IMA mineral species

Fluorapophyllite-(K)

KCa₄(Si₈O₂₀)F(H₂O)₈

Phyllosilicate mineral.

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Fluorapophyllite-(K) specimen
(India) Fluorapophyllite-(K) and stilbite.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaKCa₄(Si₈O₂₀)F(H₂O)₈
ElementsK, Ca, Si, O, F, H
Crystal systemTetragonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolFapo-K
Nickel–Strunz class9.EA.15

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

🌍 Where it's found

Type locality (where it was first described): India

  • 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.

✨ Apophyllite family

Apophyllite
ApophylliteMineral group
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Fluorapophyllite-(Cs)IMA mineral species
Fluorapophyllite-(Na)
Fluorapophyllite-(Na)IMA mineral species
Fluorapophyllite-(NH₄)
Fluorapophyllite-(NH₄)IMA mineral species
Hydroxyapophyllite-(K)
Hydroxyapophyllite-(K)IMA mineral species
◆
Hydroxyapophyllite-(NH₄)IMA mineral species
Stilbite
StilbiteMineral group

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