Gemstones

The ScienceWiz(R) Gemstone Collection includes 10 large gemstones, each about 1 inch in diameter. These ten large stones are displayed inside a tray encased inside a cardboard sleeve. The tray slides open like a matchbox. Included inside is a guide to the collection. Each basic gemstone description links (QR code) to further fascinating information online, that includes videos, activities, animations and games. Cradle red jasper in the palm of your hand and be amazed at how you are actually holding evidence for the great, planetary-wide oxygen catastrophe that allows you to breathe. "It is written in the rocks." Watch sodalite glow in UV light in a fast moving stream. Distinguish citrine from similar but more valued topaz. Learn how counterfeiters transform abundant purple amethyst into rare yellow citrine. View a giant natural amethyst geode that weighs over 2 tons and is 10 feet tall. Discover how howlite is used to imitate turquoise. The ten gemstones currently included in the collection are onyx, sodalite, rhodonite, tiger's eye, aventurine, rose quartz, amethyst, howlite, red jasper and citrine.