Title: Ring Stone
Object type: Ring stone
Date: probably 10th century
Medium: Amethyst; cut and polished on rotary flat lap
Dimensions: Ht. 3/16 in. (0.5 cm)
W. 7/16 in. (1.1 cm)
D. 1/4 in. (0.7 cm)
Classification: Jewelry
Credit line: Rogers Fund, 1948
Geography: Found probably Nishapur   Iran      
Department: Islamic Art
Repository: Metropolitan Museum of Art, New York, NY