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2. Rose quartz, raw minerals and amethyst geodes, oh my ... - AOL

   www.aol.com/news/rose-quartz-raw-minerals...

   Rose quartz, raw minerals and amethyst geodes, oh my! What’s new at Sacramento Gem Faire. Bailey Stover. August 3, 2024 at 3:00 AM. The Gem Faire returned to the Scottish Rite Masonic Center in ...

3. 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. Because the first discovery sites were in the village ...

4. Bannerstone - Wikipedia

   en.wikipedia.org/wiki/Bannerstone

   Bannerstone, Ferruginous quartz, 2nd millennium BC. Found in Illinois. Bannerstones are artifacts usually found in the Eastern United States that are characterized by a centered hole in a symmetrically shaped carved or ground stone. The holes are typically 1⁄4 " to 3⁄4 " in diameter and extend through a raised portion centered in the stone.

5. Jewellery - Wikipedia

   en.wikipedia.org/wiki/Jewellery

   Jewellery. Jewellery (or jewelry in American English) consists of decorative items worn for personal adornment, such as brooches, rings, necklaces, earrings, pendants, bracelets, and cufflinks. Jewellery may be attached to the body or the clothes. From a western perspective, the term is restricted to durable ornaments, excluding flowers for ...

6. Smoky quartz - Wikipedia

   en.wikipedia.org/wiki/Smoky_quartz

   Smoky quartz is a brownish grey, translucent variety of quartz that ranges in clarity from almost complete transparency to an almost-opaque brownish-gray or black crystals. [6] The color of smoky quartz is produced when natural radiation, emitted from the surrounding rock, activates color centers around aluminum impurities within the ...

7. 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 ...