Mixed Gemstone Rounded Band Polished Rings (Mixed Sizes) (40 Pieces) back-to-school Pieces measure approximately 15-40mm

Pieces measure approximately 15-40mm

Black Tourmaline forms through the crystallization of boron-rich solutions in igneous rocks

and it also has very small trace amounts of sodium and potassium in its crystalline structure

Average size range: 25 to 40 millimeters

Mixed Gemstone Rounded Band Polished Rings (Mixed Sizes) (40 Pieces) back-to-school Pieces measure approximately 15-40mmWholesale Polished Rounded Band Mixed Gemstone Rings Uniqueness Guaranteed: Every item is one of a kind, making them ideal for all projects or designs. Listing is for (40 Pieces) Avg Size Range: (1 Inch, Mix of Size 6 and 7) Material Origin: (Various Regions) This collection is an assortment of rounded band rings made of gemstones from all over the world. Each set is random, and no two sets will be exactly the same. Sets may contain duplicate stone