Vibrant colour of pink, purple, orange pink sapphire and vivid pinkish red ruby were discovered at In-jauk mine, Mogok, Myanmar area 22° 58′ 0” North, 96° 26′ 52” East, North of In-jauk village and also vivid blue sapphire…
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It is rarely cased to be found as heat treated spinel. Once we experienced to check the red spinel packet and the one spinel had odd inclusions from those of other red spinel. The inclusions look get thermal expansion around the solid octahedral crystals and some tiny crystal …
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