Chillipepperstone 15 Polished Natural Semiprecious Gemstones, 3/4 to 1 inch, SET 1 A beautiful collection of polished gemstones is a must for the beginner or seasoned gemstone collector Natural polished stone, size between 3/4 to 1 inch (diagonal) Great for kids (Age 3+), gifts, stone collectors, geology studies, desktop decoration Must have for the beginner or seasoned gemstone collector. Amazonite, Green Aventurine, Blue Agate, Amethyst, Howlite, Snowflake obsidian, Sunstone, New jade, Fluorite, Red Jasper, Green Fluorite, Red Chalcedony, Lapis, White Chalcedony, White Jade