Presentation :
Names) :
Citrine (variety of quartz).
Etymology:
From the French citrin=yellow in allusion to the color.
Group, Family:
Quartz (Crystalline) family.
...
Presentation :
Names) :
Citrine (variety of quartz).
Etymology:
From the French citrin=yellow in allusion to the color.
Group, Family:
Quartz (Crystalline) family.
...
Presentation :
Names) :
Citrine (variety of quartz).
Etymology:
From the French citrin=yellow in allusion to the color.
Group, Family:
Quartz (Crystalline) family.
...
Presentation :
Carnelian is a red variety of chalcedony, which is itself a cryptocrystalline variety of quartz. The formula of this mineral family is SiO2. Carnelian owes its color to hematit...
Presentation :
Carnelian is a red variety of chalcedony, which is itself a cryptocrystalline variety of quartz. The formula of this mineral family is SiO2. Carnelian owes its color to hematit...
Presentation :
Carnelian is a red variety of chalcedony, which is itself a cryptocrystalline variety of quartz. The formula of this mineral family is SiO2. Carnelian owes its color to hematit...
