IMA mineral species

Hydroxyapophyllite-(NH₄)

(NH₄)Ca₄(Si₈O₂₀)(OH)(H₂O)₈

Properties

Chemical formula(NH₄)Ca₄(Si₈O₂₀)(OH)(H₂O)₈
ElementsN, H, Ca, Si, O
Crystal systemTetragonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolHapo-NH₄

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

🌍 Where it's found

Type locality (where it was first described): Kaidun meteorite, Yemen

  • 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