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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
including biological research
It has same property to its larger OPL Teaching Spectroscope but comes in compact
Stone Arrangements:
Basic Work Area: 160mm x 120mm
Gemax Ruby Filter Premium Range - Loupes including biological researchRuby Filter is a filter that is extremely useful in differentiating red stones such as Ruby, Spinel, Tourmaline, and Garnets from others that might look similar in comparison. Using it is as simple as holding the filter close to your eye, look at the stones, examine your gems, and reveal theres true identity. HOW TO USE A RUBY FILTER Hold the filter an inch or two from the eye. Shine a light on the stone with a strong light bulb or torch. The stone
US$ 537.50
US$ 212.50
