Measures approx 1/2" to 3/4". You will receive 1 per order. Properties of Kimberlite: Mind: Confidence, Truth, Burnout Body: Intestines, Mineral Balance, Digestion, Energy, Hormone balance Spirit: Helps you reach your full potential, Dissolves resistance, Spiritual Development, Protection, Accuracy with dowsing, Protection & safety during rituals/ceremonies All medical issues should be brought to the attention of a licensed health care professional. Crystals are best used as support while closely following your doctor’s recommendations. Kimberlite Crystals