What Is Moonstone Gemstone | Moonstone Stone – GIA
Moonstone displays a mysterious, unearthly glow. Its delicate beauty make it perhaps the most familiar quality member of the Feldspar group.
Moonstone - Gemological Institute of America
Fine moonstone is colorless and clear, or a little clear (transparent or semi-transparent). Moonstone is a mixture of two feldspar mineral s that are layered inside the stone. When light falls between these layers, it scatters in many directions.
Pearl, Alexandrite, Moonstone Birthstones - GIA
Moonstone Birthstone Meaning & History. Moonstone is the best-known gem of the feldspar group of minerals. It is renowned for its adularescence, the light that appears to billow across a gemstone, giving it a special glow. The finest moonstones show a …
Moonstone Quality Factors - GIA
- Courtesy David Humphrey When buyers select moonstones, they look for three key factors: bodycolor (background color) and color and orientation of the sheen. Moonstones range in appearance from semitransparent to opaque and colorless to white, with a blue, silver, or white adularescent effect.
What Is Moonstone Gemstone | Moonstone Stone - GIA
Rainbow moonstone is transparent labradorite, a closely related feldspar mineral with sheen in a variety of iridescent colors. Although it’s technically not moonstone, it’s similar enough that the trade has accepted it as a gem in its own right. Today some …
Moonstone Description - GIA
Moonstone is a variety of the feldspar-group mineral orthoclase. It’s composed of two feldspar minerals, orthoclase and albite. At first, the two minerals are intermingled. Then, as the newly formed mineral cools, the intergrown orthoclase and …
Sunstone Description - GIA
Although sunstone and moonstone are both members of the feldspar group, the resemblance stops there. While cool moonstone’s phenomenal varieties offer a soft and gentle adularescent glow, warm sunstone’s phenomenal varieties show a distinct and lively glitter called aventurescence.
Moonstone History and Lore - GIA
Moonstone’s mysterious, billowy, glow has fascinated people for centuries. According to Hindu mythology, moonstone is made of solidified moonbeams. Many other cultures also associate this gem with moonlight, and it’s easy to see why.
What Is Moonstone Gemstone | Moonstone Stone - GIA
Moonstone displays a mysterious, unearthly glow. Its delicate beauty make it perhaps the most familiar quality member of the Feldspar group.
Sunstone Gemstone | Sunstone Stone – GIA Gem Encyclopedia
Sunstone is a member of the feldspar group. Both the orthoclase and the plagioclase feldspar species boast a sunstone variety. Other feldspar group gems include moonstone, non-phenomenal orthoclase, phenomenal and non-phenomenal labradorite, and amazonite.