Presentation :
Names) :
Amethyst and Ametrine (variety of quartz).
Etymology:
Amethyst: From the Greek amethustos = which protects from drunkenness.
Ametrine: Contraction of A...
Presentation :
Names) :
Amethyst and Ametrine (variety of quartz).
Etymology:
Amethyst: From the Greek amethustos = which protects from drunkenness.
Ametrine: Contraction of A...
Presentation :
Names) :
Stichtite.
Etymology :
According to Robert Sticht, director of a mining company (Petterd, 1910).
Group, Family:
Hydrotalcites Group.
...
Presentation :
Names) :
Stichtite.
Etymology :
According to Robert Sticht, director of a mining company (Petterd, 1910).
Group, Family:
Hydrotalcites Group.
...
Presentation :
Names) :
Stichtite.
Etymology :
According to Robert Sticht, director of a mining company (Petterd, 1910).
Group, Family:
Hydrotalcites Group.
...
