2.98ct Round Cabochon Ruby 8mm precious metal tester Weight: 800g

Weight: 800g

Better depth of focus than any other loupe

It contains a 30W electric soldering iron

Ø55mm Suction Die

Pentalobe Size: 0

2.98ct Round Cabochon Ruby 8mm precious metal tester Weight: 800gRubys 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.;