Material: natural red agate

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A2: a circumference of about 17 cm， 6.2 mm in diameter onyx， gold beads across 4 mm， weight 9.8 grams

C1: a circumference of about 18 cm， and an onyx 14 mm in diameter and weighs 52.7 grams

C2: a circumference of about 18 cm， and an onyx 12 mm in diameter and weighs 39.2 grams

C3: a circumference of about 18 cm， and an onyx 10 mm in diameter and weighs 9.8 grams