Step out in style with our Chalcedony ball necklace. This necklace is hand-made in the USA Crafted from a round chalcedony ball that shows all the incredible natural variations of the gemstone A lobster-claw clasp securely fastens the piece 24-inch long chain All carat weights and measurements are approximate and may vary slightly from the listed dimensions. Treatment code E. See Gemstone Treatments for further information. The handcrafted nature of this product will produce minor differences in color and sizing. Subtle shade variations will occur from piece to piece, adding to its unique qualities. Measurements are approximate.