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2. Aventurine - Wikipedia

   en.wikipedia.org/wiki/Aventurine

   Aventurine is used for a number of applications, including landscape stone, building stone, aquaria, monuments, and jewelry. Aventurine is a form of quartzite , characterised by its translucency and the presence of platy mineral inclusions that give it a shimmering or glistening effect termed aventurescence .

3. List of gemstones by species - Wikipedia

   en.wikipedia.org/wiki/List_of_gemstones_by_species

   Some minerals made into gemstones may display a chatoyancy or cat's eye effect, these include: [1] ... Aventurine (var.) Chalcedony (var.) Agate. Iris agate; Onyx ...

4. Goldstone (glass) - Wikipedia

   en.wikipedia.org/wiki/Goldstone_(glass)

   Additionally, "aventurine" glass is one of the few synthetic simulants to provide the eponym for the similar natural stones. The mineral name " aventurine " is used for forms of feldspar or quartz with mica inclusions that give a similar glittering appearance; the technical term for this optical phenomenon, " aventurescence ", is also derived ...

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

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

   “Gemstones are naturally occurring mineral and/or crystalline deposits found within the earth,” Salzer says. “Often cut or polished to reveal more of the light-reflecting qualities of the ...

6. Quartz - Wikipedia

   en.wikipedia.org/wiki/Quartz

   Aventurine: Quartz with tiny ... Other opaque gemstone varieties of quartz, ... It is a rare mineral in nature and is typically found with amethyst; most "prasiolite ...

7. List of minerals - Wikipedia

   en.wikipedia.org/wiki/List_of_minerals

   Differences in chemical composition and crystal structure distinguish the various species. Within a mineral species there may be variation in physical properties or minor amounts of impurities that are recognized by mineralogists or wider society as a mineral variety. Mineral variety names are listed after the valid minerals for each letter.