jadestone
Noun: 1. A semiprecious gemstone, typically green but sometimes whitish, that takes a high polish. It is composed of either of two distinct minerals: jadeite or nephrite.
The word "jadestone" is a specific term for the gem material itself. It is used to refer to the polished stone in contexts such as jewelry, carving, and gemology. - The museum displayed a beautiful necklace made of carved jadestone. - Jadestone has been valued in many cultures for thousands of years. - The color and texture of this jadestone indicate it is nephrite.
- The term is often used interchangeably with the more common word "jade," though "jade" can be slightly broader, sometimes referring to the cultural or artistic object as well as the material. "Jadestone" explicitly specifies the gem material.
- In gemological and mineralogical contexts, "jadestone" is the correct term for the ornamental stone, while "jadeite" and "nephrite" are the precise mineral names.
- Jade (noun): The more common general term for the gemstone or carved objects made from it.
- Jadeite (noun): A sodium- and aluminum-rich pyroxene mineral, one of the two minerals that can be classified as jadestone. It is often a more vibrant green and is rarer.
- Nephrite (noun): A calcium- and magnesium-rich amphibole mineral, the other mineral classified as jadestone. It is more common and ranges from creamy white to mid-green.
- Jade
- Greenstone (in some specific cultural contexts, e.g., Māori )
"Jadestone" refers specifically to the tough, compact gem material suitable for carving and polishing. Its primary meaning is tied to its use as an ornamental stone. The green color is its most classic and valued characteristic, though it can occur in other hues like white (mutton-fat jade), lavender, or yellow.
- a semiprecious gemstone that takes a high polish; is usually green but sometimes whitish; consists of jadeite or nephrite