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  2. Tanzanite - Wikipedia

    en.wikipedia.org/wiki/Tanzanite

    Tanzanite is only found in Simanjiro District of Manyara Region in Tanzania, in a very small mining area approximately 7 km (4.3 mi) long and 2 km (1.2 mi) wide [4] near the Mererani Hills. [5] Tanzanite is noted for its remarkably strong trichroism, appearing alternately blue, violet and burgundy depending on crystal orientation. [6]

  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. 8 jewelry trends that are in for 2025 and 3 that are out ...

    www.aol.com/news/8-jewelry-trends-2025-3...

    Personal and celebrity stylist Kim Appelt predicts a general trend toward convenience, comfort, and ease in 2025.. In other words, jewelry that goes with everything — like stacked gold pieces ...

  5. How to Spot The Best Vintage Jewelry in Thrift Stores ... - AOL

    www.aol.com/spot-best-vintage-jewelry-thrift...

    How to Spot The Best Vintage Jewelry in Thrift Stores, According to Jewelers. Wendy Rose Gould. December 24, 2024 at 10:02 AM. Thayer Allyson Gowdy.

  6. Richland Resources - Wikipedia

    en.wikipedia.org/wiki/Richland_Resources

    Richland Resources Ltd is a gemstone mining, development and exploration company who are listed on the London Stock Exchanges AIM market. [1] ( AIM:RLD) Richlands developed and operated TanzaniteOne Mining Ltd – the world's largest tanzanite gemstone mining company, based in Merelani, Tanzania from August 2004 until March 2015.

  7. Pleochroism - Wikipedia

    en.wikipedia.org/wiki/Pleochroism

    Pleochroism is an extremely useful tool in mineralogy and gemology for mineral and gem identification, since the number of colors visible from different angles can identify the possible crystalline structure of a gemstone or mineral and therefore help to classify it. Minerals that are otherwise very similar often have very different pleochroic ...