This batch of tumbled is medium to large, each piece measures approx. 1/2 " to 1". These have many rainbows. Properties: Connects you to the Faery Realm or Nature Spirits, quartz is a powerful generator and can be programmed with your thoughts to manifest your will. Very versatile, it is a stone of healing. Uses: Put under your pillow, carry in a charm bag or pocket, hold while meditating, add to a jar candle spell.