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 quartz crystals range from colourless to smoky grey through to brown and near black. They are usually milky at the base, becoming more transparent towards the pyramidal terminations. Several growth stages are evident in some crystals with successive growth zones becoming more transparent. Bubbles and fluid inclusions are common, as are inclusions of othe minerals.