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$100.00
Star Ruby/sapphire gemstone, color purple lavender round cabochon, weight 4ct, size 8mm
In stock
Like most gemstones, star rubies also follow the usual 4Cs of color, clarity, cut, and carat weight. However, the 4Cs for stars are different. Clarity – Lack of visible inclusions is what makes ruby gem material desirable. However, a very specific type of inclusion is what causes the star in corundum. Because the star needs rutile needles to appear, the best clarity possible in star corundum is semi-transparent. It’s important that there are not too many needles, otherwise the stone can be opaque, negatively impact the color, decrease durability, and other undesirable effects.
The star ruby on the right is an example of having too many rutile needles. The body color is very silvery, opaque, and the red is very purple.
Shipping Points | 9 units |
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