Diaspro

Structural context

Quartz
Crystal System trigonalCrystal Class trigonal trapezohedralSpace Group P3121

Chemical context

Stoichiometric formulas

Chalcedony
mindat.org
  • March 13, 2023SiO2
Quartz
mindat.org
  • March 13, 2023SiO2
IMA
  • March 13, 2023SiO2
mineralogy.rocks
  • Aug. 30, 2022SiO2

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • colorless
    • gray
                    Color noteOriginal color note from the source
                    Colorless, white, gray, blue, any color due to embedded minerals, multicolored specimen not uncommon.
                    Colorless, purple, rose, red, black, yellow, brown, green, blue, orange, etc.
                    StreakStreak entities, recognized using a custom trained NER model
                      Streak noteOriginal streak note from the source
                      White
                      Lustre
                      Waxy
                      Dull
                      Vitreous
                      Fracture
                      Conchoidal
                      Sub-Conchoidal
                      Transparency
                      Translucent
                      Transparent
                      Luminescence
                      Triboluminescent
                      Tenacity
                      brittle
                      Hardness
                      6.5—7
                      7
                      Measured density
                      2.65—2.66
                      Calculated density
                      2.66