IMA mineral species

Banalsite

Na₂BaAl₄Si₄O₁₆

Feldspar, tectosilicate mineral.

BrownWhite & Clear

Banalsite specimen
Banalsite.jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density2.951 g/cm³
Average
🔷 Orthorhombic✏️ streak white
Chemical formulaNa₂BaAl₄Si₄O₁₆
ElementsNa, Ba, Al, Si, O
Crystal systemOrthorhombic
Mohs hardness—
Density2.951 g/cm³
Streakwhite
Color—
IMA symbolBns
Nickel–Strunz class9.FA.60

“—” 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.