3mm Sapphire Faceted Round A Grade - 15-16 Inch 20210806 Hematite is black to steel-gray

Hematite is black to steel-gray or silver-gray

however they are not currently sourced from this region

Peter the Great set up Russia's first spa in Karelia to make use of the water purifying properties of shungite

Morganite gets its pink hue from the presence of manganese or cesium in the stone

3mm Sapphire Faceted Round A Grade - 15-16 Inch 20210806 Hematite is black to steel-graySapphires are precious gemstones, but unlike rubies, they come in a rainbow of colors besides red! They are all varieties of the mineral corundum, known for its incredible hardness, second only to diamond . This makes sapphires very durable and scratch resistant. Formed deep underground during the cooling of magma, sapphires get their various colors from trace elements. Iron gives them blue, the most famous sapphire color, while titanium can create