Sibria, India, Brazil , Siam, Sri Lanka and Thailand.
Hardness:
9
Specific Gravity:
2.65 - 2.91
Refractive Index:
1.544 - 1.553
Chemical Composition:
Al2o3, Aluminum Oxide
Lab created stones are stones with the exact same chemical composition as natural stones, the only difference is that they are man made, have much better quality than natural stones and cost a lot less. One of advantages of lab stones is that they are environment safe not causing destructive damage to the environment when they are created. Common extraction methods for natural stones use destructive methods to access the source and often leave the mine area an arid place without animal or vegetable life.
History and Legend
The name comes from the latin rubeus meaning `red. Because of its beauty and rarity, the greeks called it the mother of all gemstones. Aristotle wrote: `One of them is red like blood and is called rubinus. This is the best one of all.`The Romans called it`a flower among stones.`It is said that the ruby combines Eros, sensual love, and agape, spiritual love, and is therefore divine love in crystallized form. In the Middle Ages ruby was used as protection against the plague. If the color became darker, the wearer fled to another place in order to protect himself against infection, only returning home when the stone became lighter again.
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Condition:
New
On Feb-26-08 at 10:56:58 PST, seller added the following information:
