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.
Plate 10/11 from Wilson, Wendell. E.; Bartsch, Joel A.; Mauthner, Mark (2004) Masterpieces of the Mineral World. Houston Museum of Natural Science. [https://www.mindat.org/reference.php?id=18945017]
Quality for species:
Excellent - world class for species or very significant. (!!)
Significance:
Classic locality for this mineral (see references.)