If you have a crystal that on the surface of is stacked trigons that start out the size of the crystal but get smaller to a 1/16in trigon making veined layers. Diamond? The surface is smooth other than the unevenness of layers
Wrong, they do work on rough diamonds, they use heat to test the diamond to see how fast it absorbs the heat and rough or cut it works the sameDiamond testers dont work good on roughs dilly.
Diamond testers dont work good on roughs dilly.