Quartz
This issue, the tables turn to look at a mineral family prevalent in the industry—it’s available in a wide range of colors and from a wide range of localities.
Gem NotesIt’s a common mineral, found on every continent, but faceting rough is rare—unfortunate, since its lighter versions can display dispersion almost twice that of diamond.
Gem NotesTrapiche emeralds are far from common and generally not available “off the shelf;” availability is sporadic at best.
Gem NotesNamed after Dr. Federico Pezzotta from the Natural History Museum of Milan for his work on Madagascar’s granitic pegmatites, this rare mineral species is relatively new.
Gem NotesIntroduction: Jeremejevite is not well known among the general public and it is safe to say, it is not a common gem seen or familiar within the gem and jewelry industry. Unlike many gems within the…
Gem NotesJust as graphite and diamond have the same chemical composition but crystallize in two different systems, so is the case with aragonite and calcite
Gem Notes