NEPHRITE

Nephrite

Nephrite is a variety of the calcium and magnesium-rich amphibole mineral actinolite . The chemical formula for nephrite is Ca25Si8O222. 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 possess mainly grays and greens, 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.

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nephrite

Noun

  1. A semi-precious stone, one of the two types of stone commonly referred to as jade, (the other being jadeite).


The above text is a snippet from Wiktionary: nephrite
and as such is available under the Creative Commons Attribution/Share-Alike License.

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