ITEM DETAILS - sizes may vary because its natural gemstones made by nature sizes are around 0.25-0.50 inches (5-8 mm) Amazonite, also known as Amazonstone, is a green tectosilicate mineral, a variety of the potassium feldspar called microcline. ~ Healing ~ Inspires truth Self-love Clarity Psychic vision Communication Integrity Prophecy Eloquence Trust Clairvoyance Sincerity Honor Amazonite is beneficial in osteoporosis, tooth decay, calcium deficiency, and calcium deposits. It relieves muscle spasms. Amazonite is a soothing stone. It calms the brain and nervous system and aids in maintaining optimum health.