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GRADE A STAR RUBY 5.52 CTS [S1719 ]
- SKU
- Dimensioni (mm)
- x x mm
- Peso (cts)
- Colori
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SIX STAR RUBY.
This is a beautiful quality 6 star Ruby with reddish purple colours.
We have taken the photo in the sun so you can see how it will look out side.
Hardness 9
Natural -heated
weight 5.52cts app
Size 11x10 x5 mm
As with all our stock you may return it for a full refund if not pleased.
Member of the International coloured stone association.
A Ruby is a pink to blood red gemstone, a variety of the mineral corundum. The common red color is caused mainly by the element chromium. Its name comes from ruber, Latin for red. Other varieties of gem-quality corundum are called sapphires.
All natural rubies have imperfections in them, including color impurities and inclusions of rutile needles known as "silk". Gemologists use these needle inclusions found in natural rubies to distinguish them from synthetics, simulants, or substitutes. Usually the rough stone is heated before cutting. Almost all rubies today are treated in some form, with heat treatment being the most common practice. However, rubies that are completely untreated but still of excellent quality command a large premium.
Some rubies show a 3-point or 6-point asterism or star. These rubies are cut into cabochons to display the effect properly. Asterisms are best visible with a single-light source, and move across the stone as the light moves or the stone is rotated. Such effects occur when light is reflected off the silk (the structurally oriented rutile needle. inclusions) in a certain way. This is one example where inclusions increase the value of a gemstone.
| Fornitore di spedizioni | Spedizione a Australia | Spedizione nel resto del mondo | Spedizione combinata ( Australia ) | Spedizione combinata (resto del mondo) |
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| FedEx |
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| Registered Shipping |
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- SKU
- Dimensioni (mm)
- x x mm
- Peso (cts)
- Colori
-
SIX STAR RUBY.
This is a beautiful quality 6 star Ruby with reddish purple colours.
We have taken the photo in the sun so you can see how it will look out side.
Hardness 9
Natural -heated
weight 5.52cts app
Size 11x10 x5 mm
As with all our stock you may return it for a full refund if not pleased.
Member of the International coloured stone association.
A Ruby is a pink to blood red gemstone, a variety of the mineral corundum. The common red color is caused mainly by the element chromium. Its name comes from ruber, Latin for red. Other varieties of gem-quality corundum are called sapphires.
All natural rubies have imperfections in them, including color impurities and inclusions of rutile needles known as "silk". Gemologists use these needle inclusions found in natural rubies to distinguish them from synthetics, simulants, or substitutes. Usually the rough stone is heated before cutting. Almost all rubies today are treated in some form, with heat treatment being the most common practice. However, rubies that are completely untreated but still of excellent quality command a large premium.
Some rubies show a 3-point or 6-point asterism or star. These rubies are cut into cabochons to display the effect properly. Asterisms are best visible with a single-light source, and move across the stone as the light moves or the stone is rotated. Such effects occur when light is reflected off the silk (the structurally oriented rutile needle. inclusions) in a certain way. This is one example where inclusions increase the value of a gemstone.
| Fornitore di spedizioni | Spedizione a Australia | Spedizione nel resto del mondo | Spedizione combinata ( Australia ) | Spedizione combinata (resto del mondo) |
|---|---|---|---|---|
| FedEx |
|
|
|
|
| Registered Shipping |
|
|
|
|
Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and g....
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PositivoPaid and shipped - no feedback left after 100 days
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PositivoEverything was Awesome! Thank you so much for everything! It's always an absolute pleasure buying from you, and will be doing it again soon. Take care and all the best for the new year!
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PositivoThe Pendant is fantastic!
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PositivoAbsolutely smashing books, the opals are magnificent! Thank you so much for everything, will be buying from you again soon. Thank you, again!
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PositivoThe Pendant is breathtaking! Thanks!
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PositivoThe Pendant is stunning!
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