Presentation :
Etymology: from the Greek "barrus" = heavy, due to its high density.
Its genesis is mainly hydrothermal. It consists of barium, a crumb of lead, a hint of calcium and may co...
Presentation :
Name :
Aventurine and Aventurine Quartz: (Variety of Quartz or Quartzite)
Etymology:
From Italian avventura = chance | NB: "Aventurine", when written alone, de...
Presentation :
Names) :
Obsidian / Volcanic glass: Apache tear, Celestial Eye, Snowy Obsidian etc.
Etymology:
Obsidian: Named after the Roman Obsius supposed to have disco...
Presentation :
*(Dimension: 11cm long, Ø2cm on one end, Ø1.2cm on second end).
Names) :
Rose quartz (variety of quartz).
Etymology :
Quartz: From German Quarz and color....
Presentation :
Names) :
Tiger's Eye (variety of quartz)
Etymology:
Tiger's Eye: Based on the characteristic color and appearance.
Group, Family:
Quartz Family (M...
Presentation :
Names) :
The name 'selenite' is primarily a synonym for gypsum but has been used historically to describe the transparent variety, as opposed to satin spar gypsum for t...
