Black Onyx: Meaning, Properties, Uses
As George Eliot said, “These gems have life in them: their color speak, say what words fail of ” Black Onyx is a beautiful solid black variety of Onyx with…
Black Sapphire: The Ultimate Guide to Meaning, Properties, Uses
Black Sapphire is a mineral variety of the Corindón group. In ancient times any blue gemstone was called sapphires. Currently, corundum of all colors, except for red, ruby, are called Sapphires….
Black Spinel: Meaning, Properties & Uses
Black spinel is a gemstone made of magnesium oxide and magnesium-aluminum oxide. It is one of the rarest and most valuable gemstones. At the same time, it is one of…