Size of the crystals vary. Average size is 1" X 1/2". The average weight is 8 grams. When you buy 1 Crystal, you will receive a crystal that weighs between 7 and 10 grams. In 1 Oz, 1/4 Pound and 1/2 Pound, you will receive crystals that may vary in size. Kunzite Crystals are ideal for wire wrapping and in other jewelry making. The Pink color in these crystals is just beautiful.