Gemstone / Material: Various Precious Gemstone Assortment Stone Size: 5-7mm (Irregular Shaped as show as picture) 24 Color Assorted Gemstone Box Set The chip beads is well polishing and each Piece of Gemstone chip hole size is 1~1.5mm. The Crushed beads is use for jewelry making like bracelet, necklace, earring, house decoration, mosaic and fish aquarium decoration etc. Wire size: The krystal wire we provided is 0.5mm