Light green opaque stone

Alexandrite is one of the rarest of all colored gemstones and is famed for its color change from green in daylight to red under incandescent light. Colors of Gemstones, Shell and More. A range of bead materials organized into color families: black and stone , blue and purple, green and aqua, red and pink, white and clear, and more.

While most popular in its light blue color, turquoise also occurs as green stones , though the shade still closely approaches blue. This green gemstone is rather rare, and is consequently among the most valuable of the opaque stones.

Turquoise is the birthstone for December, and the zodiac sign Sagittarius.

The stones shown here were produced from material mined in Mozambique ( Africa).

It frequently can be found in botryoidal clusters along with pockets of zeolite minerals. It is an organic gem easily cut and polished into bright , lightweight gems. Chatoyant Quartz: When quartz contains similarly-oriented fibrous inclusions, and is then appropriately-cut, in cabochon, curved stones display what is known as.

It is translucent to opaque , may be dark green to bright - green , apple- green , or nearly emerald- green , containing microfibrous of actinolite, frequently fleck (read full). Detailed gem and jewelry information guide about the gemstone quartz. Milky Quartz is the white, translucent to opaque variety of Quartz. Though very common in nature, it is.

See the Aventurine gemstone page for more . The green variety, Emeral is one of the most precious gems. Its significance dates back to the ancient Egyptian and. Ever wanted to know what that pretty stone is called? Identify many types of semi- precious gemstones using this handy visual pin-board chart. See more ideas about Gem stones , Products and Minerals.

Darker shades of blue are increasingly rare and in turn, make the value increase. Transparent sillimanite is rarely foun but is typically greenish to yellow in color, with the occasional light -blue or violet-brown stone. The traditional green gem is emeral but tsavorite garnet, chrome tourmaline and chrome diopside are good alternatives. Peridot, more of an olive green , has become very popular. Unlike other color-change gems, this rare form of sodalite can fade in color to grayish or greenish -white when exposed to sunlight, and when placed in . Heat treatment can enhance the color of some Tourmalines.

Some greenish stones can be made deep green , some brownish-red stones can be made re and some light pink stones can be made colorless through heating. Variscite is an opaque gemstone with interesting color splotches and veins. Almost all Variscite gemstones originate from Utah, and for this reason it may also be called Utahlite.

Its coloration varies from white, light -blue, green -blue to deep blue. This stone is made up of Amazonite, Tourmaline, and Pyrite all in one light blue and black stone. This member of the feldspar family. A legend says the stone is the remains of . Irradiated Amethyst: A small amount of prasiolite is produced by irradiating natural amethyst.

Naturally Heated Amethyst: Another small amount . When held in daylight, it appears greenish , but when held under the warm lights of candles or incandescent bulbs, it appears reddish.