Diaphanite

Name originally suggested for alexandrite by Nils Gustaf Nordenskiöld.

Structural context

Chrysoberyl
Crystal System orthorhombicSpace Group Pnma

Chemical context

Stoichiometric formulas

Diaphanite
mindat.org
  • March 13, 2023BeAl2O4
Chrysoberyl
mindat.org
  • March 13, 2023BeAl2O4
IMA
  • March 13, 2023BeAl2O4
mineralogy.rocks
  • Aug. 30, 2022BeAl2O4

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • emerald-green
  • yellowish green
  • greenish white
  • greenish brown
      Color noteOriginal color note from the source
      Green shades, emerald-green, greenish white, yellowish green, greenish brown, yellow, blue
      StreakStreak entities, recognized using a custom trained NER model
        Streak noteOriginal streak note from the source
        White
        Lustre
        Vitreous
        Fracture
        Irregular/Uneven
        Conchoidal
        Transparency
        Transparent
        Translucent
        Tenacity
        brittle
        Hardness
        8.5
        Calculated density
        3.69