IMA mineral species

Jervisite

NaScSi₂O₆

Pyroxene mineral.

Jervisite specimen
Jervisite, Cascandite-185000.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness6
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💅🪙🍶🔪💎

Scratches glass; quartz scratches it.

⚖ Density3.091 g/cm³
Average
Chemical formulaNaScSi₂O₆
ElementsNa, Sc, Si, O
Crystal systemMonoclinic
Mohs hardness6
Density3.091 g/cm³
Streak—
Color—
IMA symbolJe
Nickel–Strunz class9.DA.25

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

🌍 Where it's found

Type locality (where it was first described): Agrano, Italy

  • 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.