An apple-green variety of chalcedony, colored by nickel. It has a dull flinty luster, and is sometimes used in jewelry.
This member of the chalcedony family is often referred to as “Australian Imperial Jade†because of its vibrant green color. In the 1800s it was used by thieves who thought it made them invisible. In modern times, it is worn to encourage fidelity and even cure a broken heart. Chrysoprase is an alternate birthstone for the month of May.
Translucent green with a bluish tint.
a green variety of chalcedony valued as a gemstone
A variety of chalcedony that is apple-green in color.
Chrysoprase is the most valued variety of the mineral chalcedony (microcrystalline quartz) that contains nickel, giving it an apple-green color. Chrysoprase is porous and translucent. It is usually cut as a cabichon, and has been used since ancient times. Chrysoprase has a hardness of 7 and a specific gravity of 2.6. Chrysoprase is mined in Australia, Russia (the Ural Mtns.), Brazil, and the western USA. Chrysoprase is sometimes called "Australian jade," but it is not related to jade.
(13th century) A fine-grained quartz which derives its beautiful apple-green colour from the presence of nickel in the stone.
Chrysoprase is the name for apple-green chalcedony.
Refers to a type of chalcedony consisting of a bright green shade that is created by its nickel content. It is a popular choice for use for beads, cameos and cabochons. The highest quality chrysoprase is found in parts of Australia which explains why it is also called Australian jade.
A green chalcedony. It is often mistaken for jade. It has an hardness of 6.5 on the Mohs' scale.
A variety of chalcedony, which is apple green in color.
A variety of chalcedony which is apple green in colour
Chrysoprase or chrysophrase is a gemstone variety of chalcedony (fibrous form of quartz) that contains small quantities of nickel. Its color is normally apple-green, but varies to deep green. It is cryptocrystalline, which means that it is composed of crystals so fine that they cannot be seen as distinct particles under normal magnification.