Black Obsidian:
Presentation :
Names) :
Obsidian / Volcanic glass: Apache tear, Celestial Eye, Snowy Obsidian etc.
Etymology:
Obsidian: Named after the Roman Obsius sup...
Presentation :
Name :
Aventurine and Aventurine Quartz: (Variety of Quartz or Quartzite)
Etymology:
From Italian avventura = chance | NB: “Aventurine”, when written alone, descri...
