Presentation :
Names) :
Onyx and Sardonyx (variety of chalcedony / variety of agate).
Etymology:
Onyx: From the Greek onux = nail or claw | Sardonyx: Probably from the contracti...
Presentation :
Names) :
Dravite and Uvite-dravite: “Chrome tourmaline”.
Etymology:
Named after the Drava, a river in Austria (Tschermak, 1883).
Group, Family:
Tourmal...
Presentation :
Names) :
Dravite and Uvite-dravite: “Chrome tourmaline”.
Etymology:
Named after the Drava, a river in Austria (Tschermak, 1883).
Group, Family:
Tourmal...
Presentation :
Names) :
Dravite and Uvite-dravite: “Chrome tourmaline”.
Etymology:
Named after the Drava, a river in Austria (Tschermak, 1883).
Group, Family:
Tourmal...
Presentation :
Names) :
Dravite and Uvite-dravite: “Chrome tourmaline”.
Etymology:
Named after the Drava, a river in Austria (Tschermak, 1883).
Group, Family:
Tourmal...
Presentation :
Names) :
Dravite and Uvite-dravite: “Chrome tourmaline”.
Etymology:
Named after the Drava, a river in Austria (Tschermak, 1883).
Group, Family:
Tourmal...
