Аметист — разлика између измена

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== Литература ==
{{refbegin|2}}
* {{cite web |url=http://www.blm.gov/ak/jrmic/poster/amethyst.html |title=Amethyst |work=part of a poster by the Juneau – John Rishel Mineral Information Center |publisher=Alaska office of the United States Bureau of Land Management |accessdate=11. 9. 2006. |archive-url=https://web.archive.org/web/20070314004049/http://www.blm.gov/ak/jrmic/poster/amethyst.html |archive-date=14. 03. 2007 |dead-url-status=yesdead |df= }}
* {{Cite book |ref= harv|title=A Dictionary of Chemistry |publisher=Printed for Thomas Tegg, (et al.) |last=Ure|first=Andrew|year=1827|url=https://books.google.com/books?vid=OCLC22415868&id=9YS0XNQU8x4C&pg=PA141&lpg=PA141&dq=Amethyst&as_brr=1 |accessdate = 11. 9. 2006. |pages=141}}
* https://web.archive.org/web/20070711111342/http://mineral.galleries.com/minerals/gemstone/amethyst/amethyst.htm