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| Natural Ruby Overview: | |
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Ruby is a variety of
the mineral Corundum. A Ruby is actually a Sapphire of red color.
It is an extremeley hard and durable gemstone, well suited for all
jewelry applications. Rubies of Thai and African origin tend to be
darker and have better clarity than Burma Rubies. Top quality Rubies are highly prized, and in larger sizes are frequently valued above all other gemstones, including Diamonds. Rubies over two carats are extremely rare and valuable. Generally, Rubies with true red color are valued above those that are darker, with purple hue. Rubies are typically heated to enhance color. The treatment is stable and permanent. Our Rubies are obtained from Thailand, Tanzania, Myanmar (Burma) and Cambodia. |
| Legend and Lore: | |
| Ruby was said to be the most precious
of the twelve stones God created when he created all things and a
Ruby was placed on Aaron's neck by God's command . In the ancient language of Sanskrit, Ruby is called ratnaraj, or king of precious stones. Rubies have been highly prized gemstones throughout history. |
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| Physical Properties: | |
Color:
|
Pink Red to Purple Red |
Refractive Index:
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1.762 - 1.770 (+0.009, - 0.005) |
Pleochroism:
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Strong, Purple Red and Orange Red |
Chemistry:
|
Aluminum Oxide |
Hardness:
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9.0 |
Density:
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4.00 (+/- 0.05) |
Crystal Group:
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Trigonal |
Occurrence:
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Africa, India, Asia |
