How Do You Identify Raw Diamonds? Scratching another stone with a suspect diamond is an excellent test of authenticity. Scratching determines the hardness of the stone, which is a key identifying characteristic for diamonds. A raw diamond looks similar to the expertly cut stones adorning necklaces and rings. At first glance, a rough diamond ...
So do not try scratching glass with the suspected diamond. 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.
Perhaps you’ve heard or read about rough diamonds (or raw diamonds, as some people call them). If you’re wondering how these stones are different from the ones regularly sold in the jewelry store, read on. Let’s see what rough diamonds are, how you can identify them, and whether you can buy a rough diamond.
Diamonds which have not yet been cut are referred to as 'rough' or 'raw' diamonds. To identify whether the stone you have is a diamond, you can do a quick visual evaluation to rule out other gemstones. From there, you’ll want to perform a more precise test with a piece of corundum or an electronic diamond tester.
Diamonds form isometric crystals, have a specific gravity of 3.1–3.5, rank 10 on the Mohs Hardness Scale, stick to a grease table, and, in some cases, fluoresce under shortwave ultraviolet light. Correctly identifying an uncut rough diamond uses a combination of these characteristics.
The raw gems that a person finds in a mine or laying around on the ground have different characteristics that make them stand out. This is especially true for diamonds, which are much different in their raw form than they are once they've been cut, polished and set in a diamond engagement ring. Look for the color of diamonds found in that area.
In the field, you can identify a raw stone because of its clarity and its extreme hardness.
Uncut rough diamonds look very similar to water-worn quartz pebbles. However, there are other rocks that can be mistaken for raw diamonds by people who do not know how to spot the precious material. Luckily for people who want to learn how to identify a raw diamond, there are various ways to identify a raw diamond with a high degree of certainty.
finding raw diamonds ... How to test raw diamonds Telugu రాయి ని డైమండ్ నా కదా అని ఎలా ... How to ID / Identify a Meteorite - Stone ...
Next, by knowing who sold it to you, and knowing them well. (That's how people in the diamond business do it.) Finally, if you are a tourist in Africa and someone claiming to work in a diamond mine offers to sell you rough diamonds, then offers to go with you to a legitimate jeweler to have them tested with an electronic diamond tester, be careful.