IMA mineral species

Lemoynite

(Na,K)₂CaZr₂Si₁₀O₂₆ * 5H₂O

Transitional ino-phyllosilicate, mineral.

Lemoynite specimen
Lemoynite-91230.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula(Na,K)₂CaZr₂Si₁₀O₂₆ * 5H₂O
ElementsNa, K, Ca, Zr, Si, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolLmo
Nickel–Strunz class9.DP.35

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

🌍 Where it's found

Type locality (where it was first described): Poudrette quarry, 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.