Q VOGUE

Ruby is named from the Latin word for red, “Ruber”. The ruby color is actually varied from pink to blood-red color, depended on the amount of contaminant inside the mineral corundum (aluminum oxide). Corundum is one of the hardest minerals on the Earth which make ruby has Mohs scale of 9, the second only to [...]

During the ancient time, impurities in the gold melting process frequently turned a reddish color to the gold, which make it to special alloy, the red or rose gold. Rose gold is named after the alloy mixture between gold and copper alloy, according to its mixed color. This gold type is also known as pink [...]