Presentation :
Silica dioxide SiO2.
Crystal whose growth stopped and then continued a few million years later and which kept the trace of this stopping. Sometimes layers of various mineral...
Presentation :
Silica dioxide SiO2.
Crystal whose growth stopped and then continued a few million years later and which kept the trace of this stopping. Sometimes layers of various mineral...
Presentation :
Names) :
Quartz *Rock crystal.
Etymology:
Quartz: From the German Quarz | Rock crystal: From the Greek krystallos=ice coming from the belief of an ice hardened fore...
Necklace mounted on highly resistant sheathed steel hoop with 8mm mineral and natural pearls.
All our creations are made consciously and worked energetically in order to bring you the best exper...
Presentation :
Carnelian is a red variety of chalcedony, which itself is a cryptocrystalline variety of quartz. The formula for this family of minerals is SiO2. Carnelian owes its color to he...
Presentation :
Name :
Sodalite or Hackmanite.
Etymology :
Sodalite: According to chemical composition (Thomson, 1811).
Hackmanite: According to the Finnish geologist Victor Ha...
