Presentation :
Names) :
Dumortierite.
Etymology:
Named after paleontologist ME Dumortier (1802-1873).
Group, Family:
Dumortierite group, Silicate and Borosilica...
Presentation :
Names) :
Dumortierite.
Etymology:
Named after paleontologist ME Dumortier (1802-1873).
Group, Family:
Dumortierite group, Silicate and Borosili...
Presentation :
Names) :
Obsidian / Volcanic glass.
Etymology:
Obsidian: Named after the Roman Obsius, who is believed to have discovered this stone in Ethiopia.
Grou...
Presentation :
Names) :
Obsidian / Volcanic glass.
Etymology:
Obsidian: Named after the Roman Obsius, who is believed to have discovered this stone in Ethiopia.
Group...
Presentation :
Names) :
Obsidian / Volcanic glass.
Etymology:
Obsidian: Named after the Roman Obsius, who is believed to have discovered this stone in Ethiopia.
Group...
Presentation :
Names) :
Obsidian / Volcanic glass.
Etymology:
Obsidian: Named after the Roman Obsius, who is believed to have discovered this stone in Ethiopia.
Gro...
