Jade Jade Jade refers to an ornamental mineral, mostly known for its green varieties. It can refer to either of two different minerals: nephrite, a silicate of calcium and magnesium, or jadeite, a silicate of sodium and aluminium. Jade is featured prominently in ancient Asian art, as well as having an important place in many other cultures. The English word "jade" is derived (via French "l'ejade" and Latin "ilia" "flanks, kidney area") from the Spanish term "piedra de ijada" (first recorded in 1565) or "loin stone", from its reputed efficacy in curing ailments of the loins and kidneys. "Nephrite" is derived
Empire Nephrite (Fabergé egg) have to date concerning the egg of 1902, which was previously mistaken for an "Egg from nephrite, on a gold base and with portrait of the Emperor Alexander III in a medallion". The egg is currently in a private collection in New York, USA. Empire Nephrite (Fabergé egg) The Empire Nephrite (sometimes mistakenly referred to as the Alexander III Medallion) egg is a jewelled Easter egg, one of the Imperial Eggs made under the supervision of the Russian jeweller Peter Carl Fabergé in 1901–1902 for Nicholas II of Russia, who presented it to his mother, the Dowager Empress Maria Feodorovna,