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2. Prasiolite - Wikipedia

   en.wikipedia.org/wiki/Prasiolite

   Other names for green quartz include vermarine and lime citrine. [7] The word prasiolite literally means "scallion green-colored stone" and is derived from Greek πράσον prason meaning "leek" and λίθος lithos meaning "stone". The mineral was given its name due to its green-colored appearance. Natural prasiolite is a very light ...

3. Peridot - Wikipedia

   en.wikipedia.org/wiki/Peridot

   Peridot ( / ˈpɛrɪˌdɒt, - ˌdoʊ / PERR-ih-dot, -⁠⁠doh ), sometimes called chrysolite, is a yellowish-green transparent variety of olivine. Peridot is one of the few gemstones that occur in only one color. Peridot can be found in mafic and ultramafic rocks occurring in lava and peridotite xenoliths of the mantle.

4. Gemstone - Wikipedia

   en.wikipedia.org/wiki/Gemstone

   Gemstone. Group of precious and semiprecious stones—both uncut and faceted—including ( clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or ...

5. Luminous gemstones - Wikipedia

   en.wikipedia.org/wiki/Luminous_gemstones

   Luminous gemstones. Folktales about luminous gemstones are an almost worldwide motif in mythology and history among Asian, European, African, and American cultures. Some stories about light-emitting gems may have been based on luminescent and phosphorescent minerals such as diamonds.

6. Chrysoberyl - Wikipedia

   en.wikipedia.org/wiki/Chrysoberyl

   The mineral or gemstone chrysoberyl is an aluminate of beryllium with the formula Be Al 2 O 4. [ 5 ][ 6 ] The name chrysoberyl is derived from the Greek words χρυσός chrysos and βήρυλλος beryllos, meaning "a gold-white spar". Despite the similarity of their names, chrysoberyl and beryl are two completely different gemstones ...

7. Larimar - Wikipedia

   en.wikipedia.org/wiki/Larimar

   Larimar is the tradename for a rare blue variety of the silicate mineral pectolite found only in the Dominican Republic, around the city of Barahona. [4] Its coloration varies from bluish white, light-blue, light-green, green-blue, turquoise blue, turquoise green, turquoise blue-green, deep green, dark green, to deep blue, dark blue and purple, violet and indigo and the larimar can come in ...