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.
Paragenesis 2) in calcite layers of carbonate rocks with braunite nodules : At the contact between calcite layers and braunite nodules (reaction phase).