If they were mined underground then it is likely to have more broken, sharp edges. If the gemstone was mined in the river bed it is likely to be in an appearance of a pebble as you would expect. Rough gemstones come in all different shapes.ĭepending on which geological environment they are found in, the shape of the rough gemstone can change significantly they could be mined in river or they could be mined underground.Ĭrystallographically sapphires are formed in bi-pyramidal form.
Well, this is something I have been meaning to blog about for a while and I think it is about time that I get around to it!įollowing is how our natural sapphires are processed.
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