Amethyst is a gemstone characterized as a transparent and crystalline variety of quartz with a deep purple to blue-violet color. The colors are often intermingled in one stone, depending on the qualities inherent in the stone. Other hues include reddish-mauve, reddish-violet, and gray-mauve. It is often heated to lighten color.
Ref: 123978/2006-10-18

Other Database Pages Exist for this Phrase:
Gemstone (Gemstone (Gem) is described as precious or ...)

You have no rights to post comments

Related Articles

Gemstone ■■■■■■
Gemstone (Gem) is described as precious or semiprecious stone that may be used as a jewel when cut and . . . Read More
Colour ■■■■■
Colour (US spelling: color) is a phenomenon of light caused by how our eyes detect differing qualities . . . Read More
Zircon ■■■■■
Zircon refers to a brown to colorless mineral, which is heated, cut, and polished to form a brilliant . . . Read More
Metal ■■■■
Metal is defined as solid mineral element that is able to conduct heat and electricity and is pliable . . . Read More
Opal ■■■■
Opal is a gemstone whose chemical composition is an amorphous, gelatinous, hydrous silica containing . . . Read More
Aritificial Brown Quartz Stone with Sparkle ■■■■
Aritificial Brown Quartz Stone with Sparkle: We are factory specializing in the manufacture and export . . . Read More
Variation ■■■■
In the industrial context, 'variation' generally refers to the range of differences or deviations that . . . Read More
Ribbon Jewelry ■■■
Ribbon Jewelry refers to any type of jewelry that is twisted like a ribbon or banner. Common types include . . . Read More
Cider ■■■
Cider refers to one of Finland's popular beverages that is traditionally made from fermented apple or . . . Read More
Lager ■■■
Lager is a type of beer that is fermented and conditioned at low temperatures using a specific type of . . . Read More