IMA mineral species

Ellingsenite

Na₅Ca₆Si₁₈O₃₈(OH)₁₃·6H₂O

Silicate mineral.

Ellingsenite specimen
Ellingseniet AndreRobbemond1mm-0.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNa₅Ca₆Si₁₈O₃₈(OH)₁₃·6H₂O
ElementsNa, Ca, Si, O, H
Crystal systemTriclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolElg

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

🌍 Where it's found

Type locality (where it was first described): Aris quarries, Namibia

  • 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.