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Purple Star Sapphire  Sri Lanka   This strong unusual sapphire is notable for its strong violet purple hue infrequently seen amongst sapphires. The asterism is both strong and central and the stone is of a suitable depth for ease of mounting.   Weighing approximately 3.79 carats and measuring 10.8 x 9.0 x 3.5mm

Purple Star Sapphire, Sri Lanka This unusual sapphire is notable for its violet purple hue infrequently seen amongst sapphires. The asterism is both strong and central.

Purple 12-ray star sapphire, 8.13 ct, 11.78 x 10.50 x 6.28 mm. Unlike this one, such stones often are glass-filled. For a brief report on the phenomenon, see “Twelve-rayed star sapphire of interest” by Garry DuToit, GIA Laboratory, Bangkok.

Rate this from 1 to Sapphire Gemstones Sapphire, The September Birthstone Celtic Ring - Eternity Ring - Sapphire Ring - Blue Stones… Blue Sapphire Loose

Star Ruby is a type of  Ruby that exhibits a star-like phenomenon known as asterism.

Star Ruby is a type of Ruby that exhibits a star-like phenomenon known as asterism. I would love to find one of these for my granddaughter Ruby.

Star sapphire

Exceptional star sapphire specimen showing strong blue color and clear asterism.

Gem quality sphalerite is a rare collector stone. The mineral is usually nearly black in color but is occaisionally found in transparent pieces of an orange or yellowish brown hue. Clean pieces are extremely rare. More @ www.multicolour.com and #gemstones

Gem quality sphalerite is a rare collector stone. The mineral is usually nearly black in color but is occasionally found in transparent pieces of an orange or yellowish brown hue. Clean pieces are extremely rare.

Catseye Moonstone 18.93 Carat . Mind = blown!

The largest selection of custom jewelry designs and rare gemstones.

Amethyst -- Uruguay  En suite with lot 2003: although this species of gem is frequently seen in the marketplace not all amethysts are equal: the present stone is exceptional for the vividness of its grape-purple hue, as well as its eye clean transparency and high degree of luster. Weighing approximately 85.04 carats

Amethyst -- Uruguay En suite with lot although this species of gem is frequently seen in the marketplace not all amethysts are equal: the present stone is exceptional for the vividness of its grape-purple hue, as well as its eye clean transparency a

The Spoonmaker diamond Weight: 86 carats Dimensions:  42 x 35 x 16 mm. Color:  Colorless Weight of Rough:  Unknown. Origin:  Unknown; probably India

Jewelry Diamond : Image Description The Spoonmaker diamond Weight: 86 carats Dimensions: 42 x 35 x 16 mm. Color: Colorless Weight of Rough: Unknown.

One of the largest sapphires is known as the #StarofAsia, currently housed at the Smithsonian Museum of Natural History #Factoftheday

One of the largest 'star' sapphires is known as the Star of Asia, currently housed at the Smithsonian Museum of Natural History

Painite, the rarest gem mineral on earth.

The Guinness Book of World Records names Painite as the rarest gem mineral on earth. Painite has so far only been found in Myanmar, Indonesia. Painite colors vary from pink to brown. Painite will appear a different color when viewed from different angles.

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