IMA mineral species

Hexacelsian

BaAl₂Si₂O₈

Tectosilicate mineral.

Hexacelsian specimen — BSE images of rankinite-bearing paralava (b).png · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula	BaAl₂Si₂O₈
Elements	Ba, Al, Si, O
Crystal system	Hexagonal
Mohs hardness	—
Density	3.338 g/cm³
Streak	—
Color	—
IMA symbol	Hcls

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

🌍 Where it's found

Type locality (where it was first described): Hatrurim formation, Jordan

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.

Learn more

Hexacelsian on Mindat.org
Wikipedia article
Wikidata item Q21666227 (source of this page's data – you can correct it there)