Andalusite
Andalusite is a gemstone with notable pleochroism, differing color display based on crystal orientation. Andalusite can be faceted to display brown, green or pink body color because of its pleochroic nature. Brazil is a major source for faceted Andalusite. The hardness of Andalusite is 6.7 7.5 making it suitable for jewelry.
Item #17572: 14Kt. Yellow Gold ring with 7mm round Andalusite of 1.44 cts. Size 8 1/4.
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