Herderite - Google Search (original) (raw)

Herderite

Herderite is a phosphate mineral belonging to the apatite, phosphate group, with formula CaBe. It forms monoclinic crystals, often twinned and variable in colour from colourless through yellow to green. It forms a series with the more common... Wikipedia

Colour: Colourless, pale yellow, greenish-white

Crystal class: Prismatic (2/m); (same H-M symbol)

Crystal system: Monoclinic