IMA mineral species

Bicchulite

Ca₂(Al₂SiO₆)(OH)₂

Tectosilicate mineral.

GrayWhite & Clear

Bicchulite specimen
Bicchulite-Gehlenite-242596.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₂(Al₂SiO₆)(OH)₂
ElementsCa, Al, Si, O, H
Crystal systemCubic
Mohs hardness—
Density—
Streakwhite
Color—
IMA symbolBch
Nickel–Strunz class9.FB.10

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

🌍 Where it's found

Type locality (where it was first described): Fuka mine, Japan

  • 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.