Nephrite Nephrite Nephrite is a variety of the calcium, magnesium, and iron-rich amphibole minerals tremolite or actinolite (aggregates of which also make up one form of asbestos). The chemical formula for nephrite is Ca(Mg, Fe)SiO(OH). It is one of two different mineral species called jade. The other mineral species known as jade is jadeite, which is a variety of pyroxene. While nephrite jade possesses mainly grays and greens (and occasionally yellows, browns or whites), jadeite jade, which is rarer, can also contain blacks, reds, pinks and violets. Nephrite jade is an ornamental stone used in carvings, beads, or cabochon cut gemstones.
The First Series of Standardized Forms of Words with Non-standardized Variant Forms only three times in the "People's Daily" between 1995 and 2000. The Ministry of Education of the People's Republic of China has called on teachers throughout China to use and teach the forms recommended in "The First Series of Standardized Forms of Words with Non-standardized Variant Forms". Before March 31, 2005, a student's use of one of the variant written forms not recommended in the "First Series" on a test like Gaokao would not influence points earned on a given question. Implementation of the Ministry's policy is not to influence the usage of variant written forms in research on ancient