9 Terms
Contributors in Gemstones
Gemstones
fire
Fashion; General jewelry
he rainbow or colors that light rays form as they move through a gemstone. This is another word for "dispersion".
fissure
Fashion; General jewelry
surface crack on a gemstone. Gems with fissures may be Fracture Filled.
fluorescence
Fashion; General jewelry
he ability of some gems to appear a different color when viewed under ultraviolet light. If or not a stone has fluorescence is a valuable aid in gem identification.
fracture filling
Fashion; General jewelry
mall cracks or fissures in a gemstone can interrupt the flow of light through the stone, creating white or "dead" spots in the color of the stone. Sometimes these fractures will be filled with ...
girdle
Fashion; General jewelry
he widest point in circumference of a gem. This is the point where a gem is usually held by fingers or tweezers for examination.
greasy (luster)
Fashion; General jewelry
ne of the the technical terms used to refer to the luster of a gemstone. Jadeite is an example of a gem with a greasy luster.
