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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 2 (Mg, Fe) 5 Si 8 O 22 (OH) 2. [1] It is one of two different mineral species called jade.
Main jade producing countries. Jade is an umbrella term for two different types of decorative rocks used for jewelry or ornaments.Jade is often referred to by either of two different silicate mineral names: nephrite (a silicate of calcium and magnesium in the amphibole group of minerals), or jadeite (a silicate of sodium and aluminum in the pyroxene group of minerals). [1]
Common Nephrite: Also known as Common Jade, this is the most commonly encountered type of nephrite. It is translucent with a glassy luster, and the crystal grain sizes of its constituent minerals range from 40 to 150 micrometers. Cat's Eye Nephrite: Also known as Cat's Eye Jade or Taiwan Cat's Eye, this type of nephrite exhibits the cat's eye ...
This is a list of minerals which have Wikipedia articles. Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species .
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Image source: Getty Images. Its valuation is still attractive, but the upside looks limited. With a forward price-to-earnings multiple (P/E) of just 29, the stock is still surprisingly affordable ...