Ads
related to: natural earth mined diamonds jewelry box youtube
Search results
Results From The WOW.Com Content Network
Herkimer diamonds are double-terminated quartz crystals discovered within exposed outcrops of dolomite in and around Herkimer County, New York, and the Mohawk River Valley in the US. [1] [2] They are not diamonds; the "diamond" in their name is due to both their clarity and well formed faces. Because the first discovery sites were in the ...
Carbonado. Typically black, can be grey, various shades of green and brown sometimes mottled. Carbonado, commonly known as black diamond, is one of the toughest forms of natural diamond. It is an impure, high-density, micro-porous form of polycrystalline diamond consisting of diamond, graphite, and amorphous carbon, with minor crystalline ...
Diamond[ a] is a gemstone formed by cutting a raw diamond. Diamonds are one of the best-known and most sought-after gems, and they have been used as decorative items since ancient times. The hardness of diamond and its high dispersion of light —giving the diamond its characteristic "fire"—make it useful for industrial applications and ...
Moissanite ( / ˈmɔɪsəˌnaɪt /) [5] is naturally occurring silicon carbide and its various crystalline polymorphs. It has the chemical formula SiC and is a rare mineral, discovered by the French chemist Henri Moissan in 1893. Silicon carbide or moissanite is useful for commercial and industrial applications due to its hardness, optical ...
The Freedom Diamond, the largest faceted diamond to originate in the U.S., was mined from Northern Colorado in 1997. Now, it's in our nation's capital One of the largest U.S. diamonds was mined in ...
Brilliant Earth is an American company that sells jewelry featuring diamonds and other gemstones that are asserted to be ethically sourced. [1] The company was established in August 2005 by Beth Gerstein and Eric Grossberg, and is headquartered in San Francisco, California. [2] According to Businessweek, the company has been influential in ...
Canadian diamonds. Canadian diamonds are diamonds which have been mined in any one of the provinces and territories of Canada. Diamond-rich areas were not commercially extracted in Canada until the early 1990s. [ 1] For the first 60 years of the 20th century, diamonds originated from kimberlite pipes and alluvial deposits in places such as ...
Golconda diamonds are mined in the Godavari-Krishna delta region of Andhra Pradesh, India. Golconda Fort in the western part of modern-day Hyderabad was a seat of the Golconda Sultanate and became an important centre for diamond enhancement, lapidary, and trading. Golconda diamonds are graded as Type IIa, are formed of pure carbon, are devoid ...
Ads
related to: natural earth mined diamonds jewelry box youtube