Montroyalite

Probably related to the dresserite group.

History

Activities related to discovery and approval of the group members

Structural context

Montroyalite
Crystal System triclinic

Chemical context

Stoichiometric formulas

Montroyalite
mindat.org
  • March 13, 2023Sr4Al8(CO3)3(OH,F)26·10-11H2O
IMA
  • March 13, 2023Sr4Al8(CO3)3(OH)26 · 10H2O
mineralogy.rocks
  • Aug. 30, 2022Sr4Al8(CO3)3(OH,F)26·10H2O

Physical properties

ColorColor entities, recognized using a custom trained NER model
    Color noteOriginal color note from the source
    White
    StreakStreak entities, recognized using a custom trained NER model
      Streak noteOriginal streak note from the source
      White
      Lustre
      Waxy
      Fracture
      Irregular/Uneven
      Splintery
      Transparency
      Translucent
      Tenacity
      brittle
      Hardness
      3.5