Ruby Jewellery – The Birthstone For July
Ruby Jewellery Rubies are stones in the corundum family, which are basic aluminium oxides, coloured by other minerals. Rubies, sapphires and emeralds are all essentially the same stone, with different coloration, but rubies, especially the very precious and rare ‘pigeon-blood’ ones are the most sought after of all. The only precious stones harder than the […]