Baddeleyite

History

Activities related to discovery and approval of the group members

Structural context

Baddeleyite
Crystal System monoclinicCrystal Class prismaticSpace Group P21/c
a4.589—5.21 (5.0742)
b4.849—5.26 (5.1945)
c4.736—5.37 (5.2066)
alpha90
beta80.53—99.36 (95.3045)
gamma90
volume104.201—145.2 (136.1851)

Based on 12 measurements

Chemical context

Stoichiometric formulas

Baddeleyite
mindat.org
  • March 13, 2023ZrO2
IMA
  • March 13, 2023ZrO2
mineralogy.rocks
  • Aug. 30, 2022ZrO2

Elements recorded on EPMA

11
O
10
Zr
2
Ti
1
Hf

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • colourless
  • colourless
    • greenish
    • reddish brown
    • iron-black
    Color noteOriginal color note from the source
    Colourless to yellow, green, greenish or reddish brown, brown, iron-black; colourless to brown in transmitted light
    StreakStreak entities, recognized using a custom trained NER model
    • brownish white
    Streak noteOriginal streak note from the source
    White to brownish white
    Lustre
    Vitreous
    Greasy
    Fracture
    Irregular/Uneven
    Sub-Conchoidal
    Transparency
    Transparent
    Tenacity
    brittle
    Hardness
    6.5
    Measured density
    5.4—6.02
    Calculated density
    5.83