It can be said the deep reds, yellows and oranges of autumn stand in contrast to the rich, deep blue of the month’s birthstone, the sapphire. In celebration, … [Read more...]
Atomic Number 27 Cobalt Blue Funeral Urns
For centuries Cobalt compounds have been used to create a rich blue color to glass, glazes, and ceramics. Cobalt has been detected in Egyptian sculpture and … [Read more...]