36.43ct Ruby Crystal Slice 24x21mm Diamond Simulant Gauge Accurate to 1/10 mm

Accurate to 1/10 mm

This becomes simple

The reamers are held in a quick release chuck

26cm long overall

Button for image storage in the microscope

36.43ct Ruby Crystal Slice 24x21mm Diamond Simulant Gauge Accurate to 1/10 mmRubys hues vary from orangey red to purplish red and the presence of chromium is the trace element that causes the unparalleled ruby red colour. The most valuable colour is the pigeons blood variety which is a vibrant red without any orange or purple tint. Some rubies display the gemmological phenomenon called asterism where cabochon cut stones have a whitish star on top of the dome. This is created by fine intersecting rutile needle inclusions. ;