Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
"The rock (in which the manganaxinite was found) consists of large clasts of coarsely crystalline calcite up to 10 cm across in a pale grey, fine-grained matrix."