Presentation :
Names) :
Sardonyx (variety of chalcedony / variety of agate).
Etymology:
Named after the city of Sardis in Asia Minor.
Group, Family:
Quartz Fami...
Presentation :
Names) :
Sardonyx (variety of chalcedony / variety of agate).
Etymology:
Named after the city of Sardis in Asia Minor.
Group, Family:
Quartz Fa...
Presentation :
Names) :
Sardonyx (variety of chalcedony / variety of agate).
Etymology:
Named after the city of Sardis in Asia Minor.
Group, Family:
Quartz Fa...
Presentation :
Names) :
Quartz*: Rock crystal.
Etymology:
Quartz: From German Quarz | Rock crystal: From the Greek krystallos = ice coming from the belief of ice hardened foreve...
Presentation :
Names) :
Natrolite, Mesolite and Scolecite.
Etymology:
Natrolite: From Latin natrium=sodium/soda and Greek lithos=stone (Klaproth, 1803) | Mesolite: From th...
Presentation :
Names) :
Selenite.
Etymology :
From the Greek σελήυη, for "moon", alluding to the white reflections of the mineral, similar to those of the moon, or to the quali...
