Crystopedia
IMA mineral species

Aenigmatite

Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]

Sapphirine supergroup, single chain inosilicate mineral.

Black

Aenigmatite specimen
Aenigmatite-749482.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNa₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]
ElementsNa, Fe, Ti, O, Si
Crystal systemTriclinic
Mohs hardness5.5
Density—
Streakbrown
Color—
IMA symbolAen
Nickel–Strunz class9.DH.40

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

🌍 Where it's found

Type locality (where it was first described): Kangerluarsuk fjord, Ilímaussaq, Greenland · Naujakasik, Greenland

  • 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.

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