Achroite

A colourless, sometimes fibrous variety of tourmaline (usually, but not always, elbaite or fluor-elbaite).

Chemical context

Stoichiometric formulas

Achroite
mindat.org
  • March 13, 2023A(D3)G6(T6O18)(BO3)3X3Z

Physical properties

ColorColor entities, recognized using a custom trained NER model
Color noteOriginal color note from the source
Clear
Lustre
Vitreous