Khác biệt giữa các bản “Saphir”

* [[Hồng ngọc]]
* [[Danh sách khoáng vật]]
==Tham khảo==
{{reflist|2}}
*{{Cite book|author=Wise, R. W.|title= Secrets Of The Gem Trade, The Connoisseur's Guide To Precious Gemstones|year=2004|publisher=Brunswick House Press|isbn=0-9728223-8-0}}
 
==Liên kết ngoài==
{{Commons category|Sapphire}}
*[http://webmineral.com/data/Corundum.shtml Webmineral.com], Webmineral Corundum Page, Webmineral with extensive crystallographic and mineralogical information on Corundum
*[http://www.farlang.com/gemstones/sapphires Farlang Sapphire References] dozens of (historical) full text books and (CIBJO) gem information
*[http://www.mindat.org/min-3529.html Mindat.org], Mindat Sapphire page Mindat with extensive locality information
*[http://www.sciencemag.org/cgi/content/abstract/323/5917/1030 Sciencemag.org], Macroscopic 10-Terabit–per–Square-Inch Arrays from Block Copolymers with Lateral Order Science magazine article about perspective usage of sapphire in digital storage media technology
 
*{{Cite EB1911|Sapphire|short=x}}
 
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