Many gemstones have quite a similar appearance and are not easily distinguishable. Topaz and Yellow Sapphire are two such gemstones, their appearance is quite similar and any untrained eye might not be able to tell a single difference between the two.

Many gemstones have quite a similar appearance and are not easily distinguishable. Topaz and Yellow Sapphire are two such gemstones, their appearance is quite similar and any untrained eye might not be able to tell a single difference between the two.