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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. Quartz - Wikipedia

   en.wikipedia.org/wiki/Quartz

   Quartz is, therefore, classified structurally as a framework silicate mineral and compositionally as an oxide mineral. Quartz is the second most abundant mineral in Earth's continental crust, behind feldspar. [10] Quartz exists in two forms, the normal α-quartz and the high-temperature β-quartz, both of which are chiral. The transformation ...

4. Smoky quartz - Wikipedia

   en.wikipedia.org/wiki/Smoky_quartz

   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 ...

5. Aqeeq - Wikipedia

   en.wikipedia.org/wiki/Aqeeq

   Aqeeq, akik or aqiq (Arabic: العقيق) means quartz in Arabic, and agate in Turkish, however in the context of rings usually refers to a ring set with a chalcedony stone. Well-known types of chalcedony are carnelian, agate, and onyx. It is considered a semi-precious gem stone, and rings set with golden-orange variety of carnelian or sard ...

6. Quartz Vs. Granite: Which Stone Is Right For Your ... - AOL

   www.aol.com/quartz-vs-granite-stone-countertops...

   The price tag on both quartz and granite can vary based on elements such as color and pattern, availability, texture, and which manufacturer you choose. The price will go up if you choose a ...

7. Aventurine - Wikipedia

   en.wikipedia.org/wiki/Aventurine

   Chrome-bearing fuchsite (a variety of muscovite mica) is the classic inclusion and gives a silvery green or blue sheen. Oranges and browns are attributed to hematite or goethite. Because aventurine is a rock, its physical properties vary: its specific gravity may lie between 2.64–2.69 and its hardness is somewhat lower than single-crystal ...

8. What's the Difference Between Quartz and Quartzite? - AOL

   www.aol.com/whats-difference-between-quartz...

   Quartz countertops come in even more color and patterns because it’s an engineered stone. “Being manmade, the patterns and the colors and all that are designed by the manufacturer,” Chadha ...

9. Chrysoprase - Wikipedia

   en.wikipedia.org/wiki/Chrysoprase

   Chrysoprase - Szklary, Lower Silesia, Poland. Chrysoprase, chrysophrase or chrysoprasus is a gemstone variety of chalcedony (a cryptocrystalline form of silica) that contains small quantities of nickel. Its color is normally apple-green, but varies from turquoise -like cyan to deep green. The darker varieties of chrysoprase are also referred to ...