Aquamarine bluish #108. Lab Created. Spinel Swiss Premium quality. Rough 71 gr. US@GEMS Spinel Lab Created. Color Aquamarine bluish #108. Eye Clean Absolutely same Gloss as the natural counterpart Excellent for fine detail work, cutting, engraving, carving. Hardness 8. Capability to be heated over 2050 degrees Celsius (i.e. wax casting) Safety for environment