Green Tourmaline and Rubellite: Emerald-Cutting Advice
Dark green tourmaline and red rubellite gems can look very black in an emerald cut. Learn how to minimize this effect and show off these rich colors best.0
What if My Red or Green Tourmaline Has a Light C Axis?
Even if the tourmaline stone doesn't have a dark C axis, it tends to look black in the finished gem. Keeping them steep minimizes this.
Donald Clark, CSM IMG
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