IMA mineral species

Thornasite

Na₁₂Th₃(Si₈O₁₉)₄·(H₂O)₁₂·6H₂O

Zeolite mineral.

Thornasite specimen
Thornasite-190351.png · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNa₁₂Th₃(Si₈O₁₉)₄·(H₂O)₁₂·6H₂O
ElementsNa, Th, Si, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolTna
Nickel–Strunz class9.GF.50

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

🌍 Where it's found

Type locality (where it was first described): Poudrette quarry, Canada

  • 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.