Asterism Gemstones for sale - BuyGems.org

4.51 ct. Natural Star Ruby gemstone with Asterism

Boss — Mon, 25 Sep 2017 01:59:46 +0000

Buy now online this incredible star ruby loose gemstone, a rare stone from the corundum mineral family, included inthe group of four rpecious stones like: diamond, emerald, sapphire. This stone come from the ground of Madagascar where it was genuine earth mined and shaped into a well polished and well calibrated oval cabochon cut. This stone is opaque but display a nice pinkish red color hue with good saturation and medium tone. It also present a well defined dancing star on the surface of the stone, a rare optical effect called asterism caused by perpendicular inclusions of rutile. This african ruby weight over four carat, comes with big size and it will be perfect to be set into ring or pendant. This stone was treated by heat and diffusion to enhance color and asterism effect. Ruby is considered a very durable gemstone with an hardness of 9 on the Mohs scale.

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2.09 ct. Natural Star Ruby loose gemstone

Boss — Thu, 14 Apr 2016 19:37:09 +0000

Buy on our online gemstone store this natural star Ruby loose gemstone, earth mined in Madagascar, Africa. This attractive Ruby gemstone with asterism was shaped into an oval cabochon and display a stunning dancing star on the surface of the stone when hit by direct light, also called asterism effect. This red Ruby stone is treated by heat and probably with fracture filled, a common process for Ruby and Sapphire to increase color and optical effect. This Ruby loose gemstone present an attractive bright red hue with good saturation and medium tone. This stone has translucent clarity with the typical inclusions that cause the asterism effect. This two carat star Ruby under the Sun light display an attractive six rays dancing star on the gemstone surface where you can also see hexagonal pattern.

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0.96 ct Natural Star Sapphire loose gemstone

Boss — Tue, 22 Sep 2015 10:44:37 +0000

This is a blue Star Sapphire gemstone, an attractive natural Sapphire that comes from Thailand, shaped into an oval cabochon cut that display a six rays dancing star, the so called asterism optical effect. This Star Sapphire display an intense blue color hue, medium tone, strong color saturation and comes with translucent/opaque clarity with the typical parallel pattern inclusions that causes the asterism formation. This awesome natural gemstone is totally natural and untreated so no heat was applyed to this stone. This six rays Star Sapphire loose gemstone is a good choice to be set into a jewel like a ring or a pendant. Sapphire si the blue colored gemstone variety from the Corundum mineral family, in recent times, all colored corundum gemstones except red are considered sapphire.

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0.95 ct Natural Star Sapphire loose gemstone

Boss — Tue, 22 Sep 2015 10:18:40 +0000

Don't miss this amazing blue gemstone. Now for sale this natural earth mined and genuine blue Star Sapphire loose gemstone, an attractive natural Sapphire that comes from Thailand, shaped into an oval cabochon that display asterism effect with a six rays dancing star on the gemstone surface. This translucent blue Sapphire display an intense blue color hue, medium dark tone, medium color saturation and comes with translucent clarity with the typical parallel pattern inclusions that causes the asterism formation. This awesome natural gemstone is totally natural and untreated. This six rays Star Sapphire loose gemstone is a good choice for jewelry, perfect to be set into a jewel like a ring or a pendant.

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3.21 ct. Natural Six Rays Star Ruby loose gemstone

Boss — Tue, 22 Sep 2015 09:49:08 +0000

Genuine earth mined six rays star Ruby loose gemstone, that comes from Madagascar, Africa. This red Star Ruby was shaped into an oval cabochon cut and display a nice asterism effect on the surface under direct light. This natural red star Ruby display a beautiful six rays dancing star on the gemstone surface. This Star Ruby gemstone present an intense red hue, medium color tone and strong saturation, translucent clarity with the typical parallel inclusions that causes the asterism effect. This red Ruby is treated by heat and probably with fracture filled, a common process for Corundums to enhance color and asterism optical effect. This red Star Ruby is a beautiful gemstone, perfect to be set into jewelry like a pendant or a ring.

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2.96 ct. Natural Star Ruby loose gemstone

Boss — Tue, 22 Sep 2015 09:37:25 +0000

Natural star Ruby loose gemstone, genuine gemstone that comes from Madagascar, Africa, this Star Ruby was shaped into an oval cabochon cut and display the asterism effect on the rounded surface when hit by direct light. This star Ruby under the Sun light display an attractive six rays dancing star on the gemstone surface where you can also see hexagonal pattern. This red Ruby is treated by heat and probably with fracture filled, a common process for Ruby and Sapphire to increase color and asterism effect. This Ruby loose gemstone present an attractive red hue with some tint of pink, medium color tone and strong saturation, translucent clarity with the typical inclusions that cause the asterism effect.

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2.76 ct. Natural Star Ruby loose gemstone

Boss — Tue, 22 Sep 2015 09:24:44 +0000

Natural star Ruby gemstone, genuine earth mined from Madagascar, Africa, this gemstone comes with a nice round cabochon cut and display the asterism effect on the surface of this stone. This star Ruby when exposed to direct light you can see a six rays dancing star on the curved surface of the gemstone. This red Ruby is treated by heat and probably with fracture filled, a common process for Ruby and Sapphire to increase color and asterism effect. This Ruby loose gemstone present an attractive red hue with medium dark color tone and strong saturation, translucent to opaque clarity with minor inclusions that cause the asterism effect. Ruby is the red variety from the corundum mineral family, it is associated with the Capricorn zodiac sign and is the July birthstone.

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0.69 ct Natural Star blue Sapphire cabochon loose gemstone

Boss — Sat, 15 Mar 2014 10:11:24 +0000

This beautiful blue gemstone is a natural earth mined and genuine Star Sapphire loose gemstone, this rare Star Sapphire comes from Thailand, where it was genuine earth mined from the ground, shaped and polished into a classic oval cabochon that display a nice rare asterism optical effect, with a six rays dancing star on the gemstone surface. This Sapphire precious stone display an attractive electric blue color hue, medium dark tone, strong color saturation and nice translucent clarity. This awesome rare natural blue gemstone is totally untreated, so any heat or other process was applied to this precious stone. This blue six rays Star Sapphire is one of the four most rare and valuable precious stone, good for jewelry duo to its high hardness, perfect to be set into a jewel.

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