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Barnebys HQ
Brahegatan 10
BOX 5038
114 37 Stockholm
Alle Auktionen / Etnografica / Ct. 1.15 Star Sapphire Pair Cabochons - Height: 7 mm - Width: 5 mm- 0.23 g
DESCRIPTION OF FEATURES Family: Corundum; Variety: Sapphire; Geographic origin: Thailand; Shape: oval; Cut: cabochon; Optical effect: asterism with a star visible under direct light, natural or artificial; Treatment: heated; Mohs hardness: 9.00; Transparency-Clarity: translucent with natural inclusions. The star sapphire differs from ordinary sapphire by the phenomenon known as ASTERISM, which superficially appears on the stone when it is illuminated with direct light. To obtain this optical effect, the stone must be cut cabochon, so as to collect light and then reflect it outward. Contrary to common belief, star sapphire forms naturally, and is a variety of corundum with needle-like inclusions that cause, indeed, the formation of a star on the surface. Photographic Settings All items are photographed individually with a high-resolution macro lens in an indoor setting using LED lighting at 5000 Kelvin, the color temperature closest to sunlight. Photos are not altered, except for cropping. Assistance You can contact us at any time via Catawiki messaging for any further information about the item you’re interested in, and we will strive to reply as soon as possible. Shipping Worldwide shipping with Registered Mail and tracking number. We apply combined shipping to ensure maximum savings on postage. Return We always strive to do our best, but if something is not to your liking, in accordance with regulations and our own conviction, we guarantee a refund to the customer who is not satisfied with their purchase, regardless of the reason. Thank you for your attention and Happy bidding!
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