GEMSTONES - AN OVERVIEW

Gemstones - An Overview

An opal doublet is made of a slice of organic opal glued into a black backing, which causes the color to become a lot more vibrant.Hyalite Opal is a very scarce and unusual kind of opal. Very small quantities of uranium within the gemstone result in spectacular color alterations when it really is considered under daylight or in incandescent lights.

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