enow.com Web Search

  1. Ads

    related to: rough untreated tanzanite crystal

Search results

  1. Results from the WOW.Com Content Network
  2. Tanzanite - Wikipedia

    en.wikipedia.org/wiki/Tanzanite

    The normal primary and secondary hues in tanzanite are blue and violet. Untreated tanzanite is a trichroic gemstone, meaning that light that enters this anisotropic crystal gets refracted on different paths, with different colour absorption on each of the three optical axes. As a result of this phenomenon, a multitude of colors have been ...

  3. Zoisite - Wikipedia

    en.wikipedia.org/wiki/Zoisite

    Zoisite may be blue to violet, green, brown, pink, yellow, gray, or colorless. Blue crystals are known under the name tanzanite. It has a vitreous luster and a conchoidal to uneven fracture. When euhedral, zoisite crystals are striated parallel to the principal axis (c-axis). Also parallel to the principal axis is one direction of perfect cleavage.

  4. TanzaniteOne - Wikipedia

    en.wikipedia.org/wiki/TanzaniteOne

    They have the ability to purchase large amounts of rough and have wholesale and retail distribution networks in place to facilitate the sale of loose tanzanite and finished jewellery. In August 2013 TanzaniteOne [4] announced they had opened an online boutique, www.tananiteoneonline, which sold tanzanite gemstones and tanzanite set gold ...

  5. File:Trichroic Tanzanite Crystal - violet & burgundy.jpg

    en.wikipedia.org/wiki/File:Trichroic_Tanzanite...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate

  6. Diamond flaw - Wikipedia

    en.wikipedia.org/wiki/Diamond_flaw

    Graining can't be removed during the polishing process of a diamond as it is a natural plane within the diamond. Cross-graining also makes the polishing process extremely difficult for diamond cutters as a diamond only cuts against its natural grain lines and never with the grain. One will always find graining in rough diamonds known as "Macle's".

  7. File:Zultanite rough crystal and gemstones.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Zultanite_rough...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate

  1. Ads

    related to: rough untreated tanzanite crystal