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How Can You Tell If A Rock Is A Diamond? [Solved]

The only hardness test that will identify a diamond is scratching corundum. Corundum, which includes all rubys and sapphires, is 9 on the hardiness scale. If your suspected diamond crystal can scratch corundum, then there is a good chance that you found a diamond.

Easy check at home between diamonds and crystals - very simple methods

water divining video using coconut and pendulum • Identify water source • Predict depth • Provide recommendations of utilizing a …

Is this Rock a Diamond?

I bought a cheap

How To Check If A Diamond Is Real Or Fake

In this video I talk about some of the ways of how to