That makes diamonds perfect for using in drill bits burrowing beneath the Earth’s surface. Diamonds were believed by some ancient peoples to offer protection from home, which made them popular gemstones to include in armour. Kings would have their leather breastplates studded with diamonds in an attempt to harness their God-given powers to bring them luck and protect them as they led armies into battle. The earliest known diamonds were discovered in India, where they were found in the country’s rivers and streams. It has actually been suggested that India started its love affair with the gemstone as early as the fourth century BC.
Read inspirational stories from around the world, find useful guides and explore the latest diamond jewellery trends. Similarly, scientific research may have need for drill bits with diamond’s abrasiveness and durability. Diamond can wear away rock faster than rock can wear away a number of other … Read MoreRead More »