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From Italian "a ventura", meaning by chance (Aventurine glass, i.e. glass with small colouring copper inclusions, was first prepared accidentally in the early 18th century in Italy).
A variety of Quartz

A variety of quartz containing glistening fragments (usually mica, such as fuchsite, but also hematite), which can be cut and polished as a gemstone. Most commonly when the general public encounter this stone it is in the form of green stone beads that can be anywhere from a pale to a medium green colour. Frequently these beads have been treated with oil to make the stone look a darker colour than it would naturally or even dyed to make the colour more attractive. Aventurine can also be other colours but the most common colour is green. Aventurine is a general term that is used by different commercial interests to mean several different kinds of stones (compare Aventurine Feldspar).

Not to be confused with Aventurine glass or goldstone, a synthetic reddish (due to copper inclusions) or greenish (due to chromium) glass used as a "gem" material.

Visit for gemological information about Aventurine.

Classification of Aventurine

Chemical Properties of Aventurine

Elements listed in formula:

Other Names for Aventurine

Name in Other Languages:
Simplified Chinese:东陵石

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Aventurine

Reference List:
Dana, 1837, 341, "Syst. Min. 1st Ed."

Internet Links for Aventurine URL:
Please feel free to link to this page.
The following Aventurine specimens are currently listed for sale on

Localities for Aventurine

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
  • Styria
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
  • Xinjiang Autonomous Region
    • Akesu Prefecture (Aksu Prefecture; Aqsu Prefecture)
      • Wensu Co. (Onsu Co.)
Yanling Tang (2005): Non-metallic deposits of Xinjiang, China [Zhongguo Xinjiang Fei Jinshu Kuangchuang]. Geological Publishing House (Beijing), 289 pp.
Czech Republic
  • Bohemia (Böhmen; Boehmen)
    • Liberec Region
      • Jizerské Mtn (Iser Mtn)
geological prospecting, 2008 - 2009, Czech geological Organization
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
Kaiser, H. (1984): Die Grube Clara zu Wolfach im Schwarzwald. Verlag Karl Schillinger, Freiburg im Breisgau, 102 pp. (in German)
  • Saxony
    • Erzgebirge
      • Johanngeorgenstadt District
Wittern: "Mineralfundorte in Deutschland", 2001
  • Andhra Pradesh
Richard M. Pearl: "Minerals of India", Mineral Digest, vol. 2.
  • Karnataka
    • Bellary district
Richard M. Pearl: "Minerals of India", Mineral Digest, vol. 2.
    • Hassan District
Richard M. Pearl: "Minerals of India", Mineral Digest, vol. 2.
Richard M. Pearl: "Minerals of India", Mineral Digest, vol. 2.
  • Tamil Nadu
    • Chennai (Madras)
Richard M. Pearl: "Minerals of India", Mineral Digest, vol. 2.
  • Honshu Island
    • Chubu Region
      • Niigata Prefecture
        • Itoigawa City
          • Ohmi
Alfredo Petrov, field collected specimens
  • Bratislava Region
    • Pezinok Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
  • Košice Region
    • Košice Co.
      • Jasov (Jossau; Joss)
Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
South Africa
  • Limpopo Province
    • Mopani District
Minerals of South Africa
    • Murchison Range
Minerals of South Africa
    • Vhembe District
      • Soutpansberg (Zoutpansberg)
Minerals of South Africa
  • Mpumalanga Province
    • Ehlanzeni District
Minerals of South Africa
  • Arkansas
Jay Ellis Ransom,1974, Gems and Minerals of America
  • Nebraska
    • Morrill Co.
The Minerals and Gemstones of Nebraska CSD U Neb EC 2
  • Vermont
    • Rutland Co.
      • Shrewsbury
MacFall (1975) Gem Hunter's Guide
  • Virginia
    • Albemarle Co.
Minerals of Virginia 1990 by R. V. Dietrich
  • Wisconsin
    • Wood Co.
Cordua, W. (1998) Minerals of Wisconsin: Rocks and Minerals: 73 (6): 378 - 399
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