Presentation :
Names) :
Nephrite / Jade-nephrite / "Jade" (variety of actinolite).
Etymology:
Nephrite: From the Greek nephros=kidney (Werner, 1780) probably due to the shape of t...
Presentation :
Names) :
Fluorite* / Fluorite.
Etymology :
From Latin fluere = to flow (Napione 1797).
Color :
Colorless, White, Yellow, Dark Yellow, Orange, Apple Gr...
Presentation :
Often confused with jade despite its much lower hardness 2.5 to 4 for Serpentine compared to 6.5 to 7 for Jade and Jadeite.
Names) :
Serpentine => An...
Presentation :
Mineral composed of lead sulfide with the formula PbS. From Latin galena and Greek galene, “lead ore”. It was cited by Pliny as early as 77.
Most abundant lead ore. There ar...
Presentation :
Mineral composed of lead sulfide with the formula PbS. From Latin galena and Greek galene, “lead ore”. It was cited by Pliny as early as 77.
Most abundant lead ore. There ar...
Crystal Aqua-Aura
Physical properties
Aqua aura is a combination of rock crystal and pure gold, artificially created in the laboratory by taking natural quartz crystal formations and anima...
