enow.com Web Search

  1. Ads

    related to: what is doublet opal made of crystals and diamonds
  2. etsy.com has been visited by 1M+ users in the past month

Search results

  1. Results from the WOW.Com Content Network
  2. Doublet (lapidary) - Wikipedia

    en.wikipedia.org/wiki/Doublet_(lapidary)

    A doublet is a type of assembled gem composed in two sections. [1] It is sometimes used to imitate other, more expensive gems. Opal Doublet. A garnet and glass doublet uses a top portion of natural garnet fused to any color of glass to imitate a gem. The color of glass used in the doublet is all that is seen, as the garnet provides no color.

  3. Opal - Wikipedia

    en.wikipedia.org/wiki/Opal

    An opal doublet consists of a relatively thin layer of precious opal, backed by a layer of dark-colored material, most commonly ironstone, dark or black common opal (potch), onyx, or obsidian. The darker backing emphasizes the play of color and results in a more attractive display than a lighter potch.

  4. Lapidary - Wikipedia

    en.wikipedia.org/wiki/Lapidary

    A gemcutter may cut and polish diamonds for industrial purposes, and be designated as an Industrial-Diamond Polisher. The Mohs Hardness Scale [24] is a commonly used tool in lapidary to help measure a minerals hardness. A mineral's hardness is measured by seeing how easily scratched it is, and what other minerals on the Mohs Hardness scale can ...

  5. Diamond simulant - Wikipedia

    en.wikipedia.org/wiki/Diamond_simulant

    A diamond simulant, diamond imitation or imitation diamond is an object or material with gemological characteristics similar to those of a diamond. Simulants are distinct from synthetic diamonds , which are actual diamonds exhibiting the same material properties as natural diamonds.

  6. Herkimer diamond - Wikipedia

    en.wikipedia.org/wiki/Herkimer_diamond

    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.

  7. World's most expensive opal literally glows in the dark - AOL

    www.aol.com/news/2015-08-13-world-s-most...

    In fact, as it gets darker around the opal, the opal appears ever more vibrant. The stone's vivid and sparkly nature is in stark contrast to Coober Pedy, Australia where it was discovered.

  1. Ads

    related to: what is doublet opal made of crystals and diamonds