Star Ruby
December 18, 2011 
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 370CT STUNNING NATURAL MINED 6 RAY AFRICAN STAR RUBY $67.99 Buy It Now --> Ends In 9h 18m <-- |  Indian Star Ruby Cab 12x14 MM Oval 1152 Carats $10.00 Buy It Now --> Ends In 10h 10m <-- |  Indian Star Ruby Huge Cab 29x33 MM Oval 185 Carats $95.00 Buy It Now --> Ends In 11h 36m <-- |
 Indian Star Ruby Cab 16x20 MM Oval 2261 Carats $14.00 Buy It Now --> Ends In 11h 39m <-- |  Natural Ruby Star 6 Ray 220ct 8x7 Oval Loose Stone Wholesale $13.95 --> Ends In 22h 10m <-- |  Natural Untreated Star Ruby Oval Cabochon $65.00 Buy It Now --> Ends In 1d 4h 56m <-- |
 Indian Star Ruby Cab 13x15 MM Oval 1132 Carats $12.00 Buy It Now --> Ends In 1d 13h <-- |  Natural Star Ruby Sapphire Cabochon Gemstone 2000Ct $24.95 Buy It Now --> Ends In 1d 14h 25m <-- |  100 Natural Star Ruby Sapphire Cabochon 3080Ct $34.95 Buy It Now --> Ends In 1d 14h 28m <-- |
 100 Natural Star Ruby Sapphire Cabochon 3575Ct $34.95 Buy It Now --> Ends In 1d 14h 35m <-- |  100 Natural Star Ruby Sapphire Cabochon 6840Ct $99.95 Buy It Now --> Ends In 1d 14h 36m <-- |  100 Natural Star Ruby Sapphire Cabochon 2455Ct $29.95 Buy It Now --> Ends In 1d 15h 31m <-- |
 100 Natural Star Ruby Sapphire Cabochon 2920Ct $39.95 Buy It Now --> Ends In 1d 15h 36m <-- |  100 Natural Star Ruby Sapphire Cabochon 3255Ct $34.95 Buy It Now --> Ends In 1d 15h 40m <-- |  100 Natural Star Ruby Sapphire Cabochon 8130Ct $79.95 Buy It Now --> Ends In 1d 15h 44m <-- |
 100 Natural Star Ruby Sapphire Cabochon 12310Ct $124.95 Buy It Now --> Ends In 1d 15h 48m <-- |  100 Natural Star Ruby Sapphire Cabochon 4030Ct $39.95 Buy It Now --> Ends In 1d 16h 41m <-- |  100 Natural Star Ruby Sapphire Cabochon 8765Ct $89.95 Buy It Now --> Ends In 1d 16h 46m <-- |
 100 Natural Star Ruby Sapphire Cabochon 14170Ct $149.95 Buy It Now --> Ends In 1d 16h 51m <-- |  100 Natural Star Ruby Sapphire Cabochon 17600Ct $249.95 Buy It Now --> Ends In 1d 16h 55m <-- |  G7515 RED PLUM STAR RUBY CAB AA $7.50 Buy It Now --> Ends In 1d 17h 24m <-- |
 G7518 RED PLUM STAR RUBY CAB AA $7.50 Buy It Now --> Ends In 1d 17h 24m <-- |  G7517 RED PLUM STAR RUBY CAB AA $7.50 Buy It Now --> Ends In 1d 17h 24m <-- |  11x9mm oval Lab Created Ruby Star 327ct 6 ray star $13.72 Buy It Now --> Ends In 1d 17h 57m <-- |
 199CT STUNNING UNTREATED LIGHT YELLOW STAR SAPPHIRE $42.49 Buy It Now --> Ends In 1d 19h 35m <-- |  100 Natural Star Ruby Sapphire Cabochon 16720Ct $199.95 Buy It Now --> Ends In 2d 15h 6m <-- |  Natural Star Ruby Sapphire Cabochon Gemstone 7770Ct $49.95 Buy It Now --> Ends In 2d 15h 19m <-- |
 588CT RARE STUNNING UNHEATED OFF WHITE STAR SAPPHIRE $152.99 Buy It Now --> Ends In 2d 18h 6m <-- |  14MM GLORIOUS UNTREATED 6 RAY OVAL STAR RUBY GEMSTONE $24.99 Buy It Now --> Ends In 2d 22h 41m <-- |  123 Ct Natural Star Ruby $553.50 Buy It Now --> Ends In 3d 10h 32m <-- |
 Lab star Ruby 12mm x 10mm x 7mm 90 carat $9.99 --> Ends In 3d 13h 26m <-- |  Natural Star Ruby Sapphire Cabochon Gemstone 10385Ct $74.95 Buy It Now --> Ends In 3d 15h 4m <-- |  Natural Star Ruby Sapphire Cabochon Gemstone 15725Ct $249.95 Buy It Now --> Ends In 3d 15h 26m <-- |
 Natural Star Ruby Sapphire Cabochon Gemstone 1375Ct $24.95 Buy It Now --> Ends In 3d 16h 30m <-- |  Star Ruby Natural Beautiful Deep Red Purple 6 Ray Star Large from India 3345cts $11.99 --> Ends In 3d 21h 27m <-- |  Natural Star Ruby Sapphire Cabochon Gemstone 2165Ct $24.95 Buy It Now --> Ends In 3d 21h 54m <-- |
 Natural Ruby Star 6 Ray 350ct 8mm Round Loose Stone Wholesale $27.95 --> Ends In 3d 22h 12m <-- |  Natural Star Ruby Sapphire Cabochon Gemstone 2705Ct $25.95 Buy It Now --> Ends In 4d 11h 25m <-- |  Natural Star Ruby Sapphire Cabochon Gemstone 3630Ct $29.95 Buy It Now --> Ends In 4d 13h 49m <-- |
 Natural Star Ruby Sapphire Cabochon Gemstone 10685Ct $124.95 Buy It Now --> Ends In 4d 14h 49m <-- |  Natural Star Ruby Sapphire Cabochon Gemstone 10615Ct $59.95 Buy It Now --> Ends In 4d 15h 29m <-- |  Natural Star Ruby Sapphire Cabochon Gemstone 2240Ct $24.95 Buy It Now --> Ends In 4d 19h 17m <-- |
 Star Sapphire 2 Tone Plum Ruby Natural 6 Ray Star 2840cts from India $11.99 --> Ends In 4d 21h 40m <-- |  Star Ruby Natural Beautiful Red Purple 6 Ray Star Large from India 3175cts $11.99 --> Ends In 4d 21h 46m <-- |  Star Ruby Natural 6 Ray Star from India 1970 cts $7.99 --> Ends In 4d 21h 46m <-- |
 Natural Ruby Star 6 Ray 498ct 11x7 Oval Loose Stone Wholesale $22.95 --> Ends In 4d 23h 10m <-- |  RARE NATURAL PURPLE STAR RUBY OVAL CAB CABOCHON 59ct $199.99 Buy It Now --> Ends In 4d 23h 30m <-- |  415CT STUNNING NATURAL MINED 6 RAY AFRICAN STAR RUBY $118.99 Buy It Now --> Ends In 5d 9h 41m <-- |
 855ct 100 Natural Purplish Red Star Ruby Gemstone Pear Shape Cabochon $164.95 Buy It Now --> Ends In 5d 10h 57m <-- |  925ct or 185g 100 Natural Purplish Red Star Ruby Gemstone Oval Cabochon $219.95 Buy It Now --> Ends In 5d 11h 9m <-- |
Items Below ON Overstock
[phpostock]Star Ruby, 15[/phpostock]
Star Sapphire Gemstones
In the gemstone world there are a special group of gems known as phenomenal gemstones. These are gems which exhibit special optical phenomena, including asterism (the star effect), chatoyancy (the cat's eye effect), adularescence (shimmering light) and iridescence (the rainbow effect).
Since these phenomenal gems are fairly rare, they naturally attract the attention of collectors. In some cases all or most of the gems belonging to a particular variety display the phenomenon, in the way that most moonstone exhibit adularesence. But in other cases the optical effect is found only occasionally in a particular type of gem, and it is the rare cases that are of special interest to collectors.
Asterism or the star effect is an example of an optical effect found very rarely in a small number of gem types cut as cabochons. The most famous examples are star sapphire and star ruby. But asterism may also be exhibited by moonstone, quartz, spinel, citrine, diopside, emerald, garnet and chrysoberyl.
The reason that asterism is so rare is that it requires the gem to have inclusions of rutile needles, and for the needles to be aligned in such a way as to reflect light in a multi-ray pattern forming a star. The usual rule of thumb in gemstones is the fewer inclusions the better. But this is a case where the value is enhanced by the right sort of inclusions.
The value of a star gemstone depends on the clarity and distinctness of the star. Generally the star must be evaluated using a single source light such as a penlight; it is usually very difficult to see the star under diffused light. Moving the light back and forth should cause the star to move across the stone's surface. The rays of the star should be evenly distributed and the rays should be relatively straight. The most common stars are 4-ray and 6-ray, though 12-ray stars have been seen.
Color is also very important in a star gemstone. Ideally the color should be equivalent to a non-star specimen of the gem, but the presence of rutile in the stone tends to weaken the color. So in the best case there is enough rutile to create a distinct star while minimizing the effect on the color.
Burma and Sri Lanka are the most important sources for star ruby and star sapphire, though Thailand is famous for the black and gold star sapphires found only in Chanthaburi province. Some star sapphires are produced using a diffusion treatment, where the sapphire is heated with a coating of titanium dioxide which diffuses into the corundum and creates rutile needles.
Synthetic star sapphires were first produced in the late 1940's by Linde, a division of Union Carbide. They are currently produced in Japan by Nakazumi Earth Crystals. The synthetic gems tend to have perfect color and star so vivid and straight that it appears painted on the stone.
About the Author
GemSelect is a leading online dealer in fine gemstones, specializing in sapphire, spinel, tourmaline and zircon. Star Sapphire
Items Below From Amazon
[phpzon]Star Ruby, 10[/phpzon]
Thelema - The Star Ruby
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| | Sterling Silver 1.25ct. Genuine Ruby Star Pendant $29.99 Charming open star pendant sparkles with beautiful ruby stones. Rich red ruby necklace is a wonderful accent for your casual wardrobe Brand: SilverSpeck Size/Dimensions: 0 Metal Stamp: 925-sterling Material: Sterling Silver |
| | .925 Silver Simulated Ruby CZ 4mm Star Stud Earrings $7.99 .925 Sterling Silver. Attractive pair of Ruby Cubic Zirconia Stud Post Earrings.The Star has a 4mm size.Earrings will be shipped in a FREE gift box making it easy for you to surprise your special someone.Thank you for shopping at Gem Avenue! Brand: GEM Avenue Style: Studs Metal Stamp: .925 Sterling Silver Material: Sterling Silver Stone: Cubic Zirconia Gender: Female Age: Adult Resizable: No |
| | Nickel Free 5mm Star Ruby CZ Silver Post Stud Earrings $7.99 .925 Sterling Silver. Attractive pair of Ruby Cubic Zirconia Stud Post Earrings.The Star has a 5mm size.Earrings will be shipped in a FREE Gift box making it easy for you to surprise your special someone.Thank you for shopping at Gem Avenue! Brand: GEM Avenue Style: Studs Metal Stamp: .925 Sterling Silver Material: Sterling Silver Stone: Cubic Zirconia Gender: Female Age: Adult Resizable: No |
| | Nickel Free 6mm Star Ruby CZ Silver Post Stud Earrings $8.99 Sterling Silver. Attractive pair of Ruby cz Stud Earrings.The Star has a 6mm size.Price is better than bargain. All good reasons to use buy it now. Earrings will be shipped in a FREE Gift box making it easy for you to surprise your special someone.Thank you for shopping at Gem Avenue! Brand: GEM Avenue Style: Studs Metal Stamp: .925 Sterling Silver Material: Sterling Silver Stone: Cubic Zirconia Gender: Female Age: Adult Resizable: No |
| | Nickel Free 8mm Star Ruby CZ .925 Silver Stud Earrings $9.99 .925 Sterling Silver. pair of Ruby Cubic Zirconia Stud Post Earrings.The Star has a 0.3 inch size.Earrings will be shipped in a FREE Gift box making it easy for you to surprise your special someone.Thank you for shopping at Gem Avenue! Brand: GEM Avenue Style: Studs Metal Stamp: .925 Sterling Silver Material: Sterling Silver Stone: Cubic Zirconia Gender: Female Age: Adult Resizable: No |
| | Nickel Free 7mm Star Ruby CZ Silver Post Stud Earrings $8.99 .925 Sterling Silver. Attractive pair of Ruby Cubic Zirconia Stud Post Earrings.The Star has a 7mm size.Earrings will be shipped in a FREE Gift box making it easy for you to surprise your special someone.Thank you for shopping at Gem Avenue! Brand: GEM Avenue Style: Studs Metal Stamp: .925 Sterling Silver Material: Sterling Silver Stone: Cubic Zirconia Gender: Female Age: Adult Resizable: No |
| | Ruby and Diamond Star Pendant : 14K White Gold - 0.66 CT TGW $992 This attractive pendant is made in 14K white gold smooth polished star burst motif. Center sits a round prong-set ruby surrounded with multiple of small diamonds to form a flower. This lovely pendant has a total gem weight (TGW) of 0.66 carat. Brand: Love Bright Size/Dimensions: 18 Design: Gemstone Style: Fashion Occasion: Engagement Resizable: No Adjustable: No Diamond Color: G-J |
| | 1.95 cttw 925 Sterling Silver 14K White Gold Plated Created Heart Shaped Star Ruby Pendant $99.99 925 Sterling Silver 14K White Gold Plated Created Heart Shaped Star Ruby Pendant crafted in 14k White Gold Plated Silver Dimensions: Width: 8.00 mm Length: 20.00 mm1 Stone 1.90 Carats 8 mm Heart Shaped Star Ruby Color: Red Clarity: Clean, 1 Stone 0.05 Carats White Quartz Color: Colorless Clarity: Clean Free 18 inches chain included Finejewelers Style Number: 302992. Brand: Star K Size/Dimensions: Width: 8.00 mm Length: 20.00 mm Resizable: No Adjustable: No Metal Stamp: 925-sterling-and-14k Diamond Weight: 0.00 Gem Weight: 1.95 Gift Box: Gift Wrapped |
| | 1/2ct Diamond and Ruby Heart Pendant in Sterling Silver $49.99 This adoreable diamond and ruby heart pendant is the perfect everyday pendant for women of all ages! Sterling silver ruby heart pendant contains ten exquisite rubies and one sparkly diamond for a total gem weight of 1/2 carat. Diamond content is .01 carat in I/J color, I2 clarity. One star diamond. Size/Dimensions: 18 inches Style: Pendants Resizable: No Adjustable: No Metal Stamp: .925 Sterling Silver Diamond Color: G-J Diamond Clarity: I2-3 clarity Diamond Weight: 0.01 |
| | Ruby (July) - 4mm Star CZ Stud Earrings - Sterling Silver $9.99 These adorable star CZ stud earrings are the perfect accessory for a very feminine look. Choose your favorite color or your birthstone. The pair is for pierced ears and is crafted entirely from genuine .925 Sterling Silver with a sparkling 4mm high quality cubic zirconia. Excellent quality fashion earrings from FreshTrends.com Body Jewelry & Fashion Accessories. Brand: FreshTrends Age: Adult Condition: New |
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