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  2. Charoite - Wikipedia

    en.wikipedia.org/wiki/Charoite

    Charoite is translucent lavender to purple in color with a pearly luster. Charoite is strictly massive in nature, and fractures are conchoidal. It has an unusual swirling, fibrous appearance, sometimes chatoyant, and that, along with its intense color, can lead many to believe at first that it is synthetic or enhanced artificially.

  3. Sapphire - Wikipedia

    en.wikipedia.org/wiki/Sapphire

    Sapphire is one of the two gem-varieties of corundum, the other being ruby (defined as corundum in a shade of red). Although blue is the best-known sapphire color, it occurs in other colors, including gray and black, and also can be colorless. A pinkish orange variety of sapphire is called padparadscha.

  4. Taaffeite - Wikipedia

    en.wikipedia.org/wiki/Taaffeite

    References. [2][3] Taaffeite (/ ˈtɑːfaɪt /; BeMgAl 4 O 8) is a mineral, named after its discoverer Richard Taaffe (1898–1967) who found the first sample, a cut and polished gem, in October 1945 in a jeweler's shop in Dublin, Ireland. [4][5] As such, it is the only gemstone to have been initially identified from a faceted stone.

  5. Gemstone Meanings: Power and Significance of the 25 Most ...

    www.aol.com/gemstone-meanings-power-significance...

    Aquamarine. “Aquamarine is a calming gemstone that symbolizes fluidity and flow, healing, allowance, and acceptance of what is,” Salzer says. “Look for clarity and luminosity in an ...

  6. Tanzanite - Wikipedia

    en.wikipedia.org/wiki/Tanzanite

    Pleochroism. Present, dichroism or trichroism, depending on heat treatment. Tanzanite is the blue and violet variety of the mineral zoisite (a calcium aluminium hydroxyl sorosilicate), caused by small amounts of vanadium. [3] Tanzanite belongs to the epidote mineral group. Tanzanite is only found in Simanjiro District of Manyara Region in ...

  7. Amethyst - Wikipedia

    en.wikipedia.org/wiki/Amethyst

    Amethyst is a purple variety of quartz (SiO. 2) and owes its violet color to irradiation, impurities of iron (Fe3+. ) and in some cases other transition metals, and the presence of other trace elements, which result in complex crystal lattice substitutions. [2][3][4] The irradiation causes the iron Fe3+.

  8. List of sapphires by size - Wikipedia

    en.wikipedia.org/wiki/List_of_sapphires_by_size

    Sapphires are a precious gemstone, a variety of the mineral corundum, consisting of aluminum oxide (α-Al 2 O 3) with trace amounts of elements such as iron, titanium, chromium, copper, or magnesium. It is typically blue, but natural "fancy" sapphires also occur in yellow, purple, orange, and green colors; "parti sapphires" show two or more colors.

  9. Yogo sapphire - Wikipedia

    en.wikipedia.org/wiki/Yogo_sapphire

    The majority are from the Rock Creek deposit. The largest one, however, is a blue Yogo used for the butterfly's head. Other sapphires used included yellow, purple, pink, and orange gems. Crevoshay completed the brooch in 2007; she and Kane presented the finished brooch to Smithsonian curator Jeffrey Post on May 7, 2007, in Washington, DC. [94] [95]

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