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Article: Aventurine

Aventurine

Physical Properties of Aventurine

  • Most common color is green, but can also be orange, brown, yellow, blue, or grey
  • Chrome-bearing fuchsite gives a silvery green or blue sheen
  • Oranges and browns are attributed to hematite or goethite
  • Specific gravity may vary between 2.64-2.69
  • Hardness is around 6.5, slightly lower than single-crystal quartz

Aventurine Varieties and Confusion

  • Aventurine feldspar or sunstone can be confused with orange and red aventurine quartzite
  • Aventurine is often banded and an overabundance of fuchsite may render it opaque
  • It may be mistaken for malachite at first glance
  • Goldstone is a common imitation of aventurine and sunstone
  • Goldstone is visually distinguished by coarse flecks of copper dispersed within the glass

Origin and Distribution

  • Majority of green and blue-green aventurine originates in India, particularly near Mysore and Chennai
  • Creamy white, gray, and orange material is found in Chile, Spain, and Russia
  • Indian artisans employ aventurine extensively
  • Most material is carved into beads and figurines
  • Finer examples are fashioned into cabochons for jewelry

Related Minerals and Phenomena

  • Dioptase is a related mineral
  • Aventurine exhibits optical phenomena
  • Aventurine is listed among minerals
  • Malachite is another mineral related to aventurine
  • Jade is also associated with aventurine

References and External Links

  • Reference: Chisholm, Hugh, ed. (1911). Aventurine. Encyclop√¶dia Britannica. Vol.3 (11th ed.). Cambridge University Press. p.54.
  • Wikimedia Commons has media related to Aventurine
  • Look up 'aventurine' in Wiktionary, the free dictionary
  • Wikisource has the text of the 1911 Encyclop√¶dia Britannica article on Aventurine
  • Aventurine information available at Mindat.org

Aventurine Data Sources

Reference URL
Glossary https://harryandcojewellery.com.au/blogs/glossary/aventurine
Wikipedia http://en.wikipedia.org/wiki/Aventurine
Wikidata https://www.wikidata.org/wiki/Q429742
Knowledge Graph https://www.google.com/search?kgmid=/m/027kxn

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