Ruby Filter CLMG-7302 is a green filter for discriminating among red stones such as Ruby, Spinel, Tourmaline, and Garnets. Very effective tool in the use of separating red, blue, and green stone from others that might look similar in comparison. Is also extremely useful in detecting certain dyes in certain stones. An efficient tool in identifying a real ruby from the fake ones.

CLMG-7302 Ruby Filter