Presentation :
Names) :
Obsidian / Volcanic glass: Mahogany or Magahony.
Etymology:
Obsidian: Named after the Roman Obsius supposed to have discovered this stone in Ethiop...
Presentation :
Names) :
Obsidian / Volcanic glass: Mahogany or Magahony.
Etymology:
Obsidian: Named after the Roman Obsius supposed to have discovered this stone in Ethiop...
Presentation :
Names) :
Obsidian / Volcanic glass: Mahogany or Magahony.
Etymology:
The blue stone was officially discovered by French paleontologist Eugène Dumortier in 1...
Presentation :
Names) :
Ægyrine or Ægirine .
Etymology :
Berzelius (1821), who analyzed the mineral, named it achmit after the Greek αχμη, spear point, because of the h...
Presentation :
Names) :
Ægyrine or Ægirine .
Etymology :
Berzelius (1821), who analyzed the mineral, named it achmit after the Greek αχμη, spear point, because of the h...
