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What crystal system can cause a gemstone to have only a two-ray star

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asked Mar 18 by qman79 (150 points)

1 Answer

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what do you mean by a two ray star? Wouldn't that just be a cat's eye? Do you have picture of what you mean?
answered May 1 by linkisnotzelda (5,360 points)
Perhaps he means a cross-shaped star such as seen on star diopside.