45th Wedding Anniversary Gift Sapphire.  A member of the corundum family.  The red variety is called Ruby and all other colours are Sapphire, their name prefixed by their colour e.g. yellow sapphire, green sapphire etc. Sapphire alone without a colour prefix is assumed to be blue. Very occasionally, naturally occurring colour-change sapphires are found, going … Continue reading Sapphire – September Birthstone