Difference between revisions of "Star sapphire"

Revision as of 23:35, August 16, 2010

i am ilmurov

@@ Line 1: / Line 1: @@
-A '''star sapphire''' is a [[sapphire]] with an inclusion of [[asterism]], very small [[mineral]] deposits of [[rutile]] (titanium dioxide) that naturally form within the sapphire to create rays (up to six) that reflect light, a white appearance on an otherwise blue-colored [[gemstone]].
+i am ilmurov
-The Star of India, the largest known star sapphire in the world, weighs 563.35 [[carats]] (112.67 grams). It is almost flawless in appearance, and even has star rays on both sides of the gemstone.
-==External Links==
-*[http://amnh.org/museum/tourplan/images/gallery/lg/star_india.jpg Star of India picture]
-[[category: Gems]]