Search results
Results from the WOW.Com Content Network
The museum has ongoing exhibits of regional minerals and gemstones of interest to the general public and a workshop where gem-cutting and polishing demonstrations are held." [ 2 ] The guidebook further elaborates that "This museum is run by the Henderson County Gem and Mineral Society [HCGMS], a valuable source of information for those people ...
In Australia, there are numerous gem shows, including an annual gem show called the GEMBOREE, which is a nationwide lapidary competition. There is a collection of gem and mineral shows held in Tucson, Arizona, at the beginning of February each year. The event began with the Tucson Gem and Mineral Society Show and has now grown to include dozens ...
The first major development in diamond cutting came with the "Point Cut" during the later half of the 14th century: the Point Cut follows the natural shape of an octahedral rough diamond crystal, [2] eliminating some waste in the cutting process. Diamond cutting, as well as overall processing, is concentrated in a few cities around the world.
One reason for the rise in popularity of amateur geology is that a collection can begin by simply picking up a rock. There are people who have formed clubs and groups that search for specimens and compare them with collections from other groups as a hobby. Information on such groups can be found at libraries, bookstores, and "gem and mineral ...
The Cambodian 'sunset' ruby is 50 times more rare than a diamond, and there has been no significant raw gem discovery in the last 20 years. A flawless sunset ruby the size of a fingernail can ...
Gem-cut synthetic silicon carbide set in a ring. A diamond simulant is a non-diamond material that is used to simulate the appearance of a diamond, and may be referred to as diamante. Cubic zirconia is the most common. The gemstone moissanite (silicon carbide) can be treated as a diamond simulant, though more costly to produce than cubic ...
He set up jewelry retailer Gems TV in 2004 [6] and The Genuine Gemstone Company in 2007. The company employs about 500 staff members. In 2012 Genuine Gemstone was named to the Fast Track 100 list of fastest growing privately held companies. [1] As of 2014 the company operates several brands, including Gems TV. [7]
It has been suggested that this stone may have been cut from "The Ottoman I" which originally belonged to Suleyman the Magnificent of Turkey. [23] The Graff Lesedi La Rona, a 302.37 carat D color high-clarity emerald cut diamond. It is the main stone cut from the Lesedi La Rona, bought by Graff in 2017 and cut in 2019. The cutting of the rough ...