By Neelamanee De Silva (Consultant Gemmologist) Reproduced with kind permission from the National Gem and Jewellery Authority A miner at Opanayake has told his friends at a funeral that he had witnessed some people collecting gunny bags full of some stones which appeared to be greenish blue glass (Ground glass) from a recently excavated quartz […]
Tag Archives: aquamarine deposit
By Neelamanee De Silva (Consultant Gemmologist) Reproduced with kind permission from the National Gem and Jewellery Authority A miner at Opanayake has told his friends at a funeral that he had witnessed some people collecting gunny bags full of some stones which appeared to be greenish blue glass (Ground glass) from a recently excavated quartz […]