IMA mineral species

Cymrite

BaAl₂Si₂(O,OH)₈ * H₂O

Phyllosilicate mineral.

GreenBrownWhite & Clear

Cymrite specimen
Cymrite-352204.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaBaAl₂Si₂(O,OH)₈ * H₂O
ElementsBa, Al, Si, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streakwhite
Color—
IMA symbolCym
Nickel–Strunz class9.EG.05

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

🌍 Where it's found

Type locality (where it was first described): Benallt Mine, United Kingdom

  • 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.