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2. Amethyst - Wikipedia

   en.wikipedia.org/wiki/Amethyst

   Amethyst is a violet variety of quartz. The name comes from the Koine Greek αμέθυστος amethystos from α- a-, "not" and μεθύσκω ( Ancient Greek) methysko / μεθώ metho ( Modern Greek ), "intoxicate", a reference to the belief that the stone protected its owner from drunkenness. [1] Ancient Greeks wore amethyst and carved ...

3. Tanzanite - Wikipedia

   en.wikipedia.org/wiki/Tanzanite

   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 Tanzania, in a ...

4. Topaz - Wikipedia

   en.wikipedia.org/wiki/Topaz

   Topaz is a silicate mineral made of aluminum and fluorine with the chemical formula Al 2 Si O 4 ( F, OH) 2. It is used as a gemstone in jewelry and other adornments. Common topaz in its natural state is colorless, though trace element impurities can make it pale blue or golden brown to yellow-orange. [7]

5. Move over diamonds, these little-known gemstones are ... - AOL

   www.aol.com/move-over-diamonds-little-known...

   Move over diamonds, these little-known gemstones are heating up. In 2016, jeweler Olivia Young of Ouroboros sold a red spinel ring for £6,000 ($7,700). Last year, the client’s insurance company ...

6. Diamond (gemstone) - Wikipedia

   en.wikipedia.org/wiki/Diamond_(gemstone)

   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 ...

7. Good news for Gen Z’s favorite jewelry: Scientists can now ...

   www.aol.com/finance/good-news-gen-z-favorite...

   In the first three months of 2024, 13.5% of diamond jewelry items sold in the U.S. were made with lab-grown stones, according to Edahn Golan, a diamond industry analyst.