Nephrite Greek "λίθος νεφριτικός"; "νεφρός λίθος", which means 'kidney stone' and is the Latin and Greek version of the Spanish "piedra de ijada" (the origin of "jade" and "jadeite"). Accordingly, nephrite jade was once believed to be a cure for kidney stones. Besides the terms already mentioned, nephrite has the following synonyms and varieties: "aotea", "axe-stone", "B.C. jade", "beilstein", "kidney stone", "lapis nephriticus", "nephrit", "nephrita", pounamu, "New Zealand greenstone", "New Zealand jade", "spinach jade" (dark grayish green), and "talcum nephriticus". "Tomb jade" or "grave jade" are names given to ancient burial nephrite pieces that have a brown or chalky white texture
The First Series of Standardized Forms of Words with Non-standardized Variant Forms The First Series of Standardized Forms of Words with Non-standardized Variant Forms The First Series of Standardized Forms of Words with Non-standardized Variant Forms () published on December 19, 2001 and officially implemented on March 31, 2002, is a list of 338 Standard Chinese words that have variant written forms (i.e. where the same word may be written with one or more different Chinese characters with the same pronunciation, referred to as "", translated into English in the official publication as "variant forms of the same word"). In the "First Series", one of the variant written forms for each word