Four worry heart shaped gemstones (Natural Gemstones) set of 4 Natural Semi-precious worry stones Listing is only for set of 4 Heart Stones. Each stone is about 0.5 Inches. These are real gemstones or semi-precious stones. We use the following gemstones : Jade, Malachite, Jasper, Tiger eye, Obsidian, Rose Quartz, Clear Quartz, Zebra, Purple Stone, Snowflake, Rhodonite, Blue Aventurine, and more as available Heart Worry Stones from Natural real gemstones. Assorted colors and gems. Each is about 0.5 inches. real gift of inspiration to any one at any time. Comes in a Velvet bag.