Star sapphire is a type of sapphire displaying an optical star like effect.
Orange star sapphire.
Star sapphires exhibit a special optical phenomenon called asterism.
This sapphire has its own metaphysical properties.
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It forms a star shape on the surface of the sapphire due to the presence of rutile inclusions.
Star sapphires exhibits asterism effect under specific light.
11 05 ct 13 2x10 mm orange star sapphire 6 rays lab created corundum oys8508.
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You can read more about asterism in our phenomenal gems article.
The most common star pattern is a 6 rayed star although star sapphires with 4 rays and 12 rays have been found.
This effect is caused by asterism.
Oval 11x9 mm orange double star sapphire 6 rays lab corundum cabochon.
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Star sapphires can range in color from blue in various tones to pink orange yellow green lavender gray or black.
Oval 9x7 mm orange star sapphire 6 rays lab corundum cabochon.
Star sapphires range in color from blue in various tones pink orange yellow green lavender and gray to black.
Tiny needles of silk within the sapphire crystal reflect light and form a star sapphire s telltale star.
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This effect is caused by asterism.
Star sapphires occur in almost every color seen in transparent sapphires although yellow orange and green star sapphires are very uncommon.
Sapphire is a precious gemstone a variety of the mineral corundum consisting of aluminum oxide α al 2 o 3 with trace amounts of elements such as iron titanium chromium vanadium or magnesium it is typically blue but natural fancy sapphires also occur in yellow purple orange and green colors.
The optical phenomenon responsible for the star sapphire s shimmering rays is called asterism from the latin word astrum for star asterism is caused by small needle like inclusions of the.
Watch the video for more information on star sapphires.
The most desirable color is a vivid intense blue.
Most star sapphire exhibits a white star but star sapphire from thailand is famed for its gold colored asterism.
Parti sapphires show two or more colors.