What Are Rubies And Sapphires Made Of

The color of a ruby is due to.

What are rubies and sapphires made of.

Rubies and sapphires have been treasured for thousands of years. Corundum with different trace minerals creating a wide variety of color. The answer as to what took place inside the earth to form these gems and then transport them to the surface varies from country to country but the story remains the same. It is used to make grinding wheels emery paper and abrasive powders used for grinding and polishing.

Sapphires and rubies the word sapphire comes from the greek saapherios which means blue. Blue corundums are sapphires. Sapphire is a precious gemstone a variety of the mineral corundum consisting of aluminum oxide α al2o3 with trace amounts of elements such as iron titanium chromium vanadium or magnesium. A ruby is a pink to blood red coloured gemstone a variety of the mineral corundum aluminium oxide.

Sapphires and rubies are used in jewellery and ornaments because of their attractive colours. The hardness of corundum also makes it a great material for industrial abrasives. It is typically blue but natural fancy sapphires also occur in yellow purple orange and green colors. Gifts from the earth.

It is the second hardest natural mineral known to man. Big color diamonds are rarer which explains why they are much more expensive. The most desired variety of corundum is the ruby. Rubies sapphires and emeralds the first obvious fact one can notice at first sight is that colored diamonds are always shinier than other colored stones.

Other varieties of gem quality corundum are called sapphires. Ruby and sapphire red corundums are rubies. Ruby is one of the traditional cardinal gems together with amethyst sapphire emerald and diamond 3 the word ruby comes from ruber latin for red. Aluminum oxide as it is known in mineralogy circles is formed by both volcanic processes deep in the earth and the high pressure and temperature conditions of metamorphic.

Trace elements produce their colors. The most desired variety of corundum is the ruby. Rubies and sapphires are the same mineral. King phd gia graduate gemologist rubies.

These are the blue gemstones most often seen in jewelry with colors ranging from pale ice blue to deep cobalt blue but did you know that sapphires also come in other colors. 1 rubies are far less abundant than blue sapphires of similar quality and thus are of more value. They were named long before anyone realized. The main deposits of high quality sapphires and rubies are found only in a few places mainly southern asia and eastern africa and the islands of sri lanka ceylon and madagascar.