IMA mineral species

Ephesite

LiNaAl₂(Al₂Si₂O₁₀)(OH)₂

True mica, phyllosilicate mineral.

GreenPinkBrownGray

Ephesite specimen
Ephesite-120783.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaLiNaAl₂(Al₂Si₂O₁₀)(OH)₂
ElementsLi, Na, Al, Si, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolEph
Nickel–Strunz class9.EC.20

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

🌍 Where it's found

Type locality (where it was first described): Ephesus, Turkey · Ephesus, Turkey

  • 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.