This large chunk of Black Tourmaline in Quartz, 2-3 inches in diameter, is great for any mineral collection.
Tourmaline is one of the most complicated groups of silicate minerals. Whe tourmaline is found within quartz, the quartz is known as ’tourmalinated’. Black Tourmaline is naturally striated and rich black, making it a beautiful stone to set in jewelry. Tourmaline with quartz is considered a prized specimen for collectors.
Defy gravity with this cool balancing eagle!
This science kit is an essential introduction to physics knowledge!
This chemistry learning and experiment kit comes with components and chemicals for over 75 amazing experiments!
Build over 100 exciting electronic projects with this easy to use kit!
Every kid needs one of these spheres!
This simple but amusing magnetic toy will keep you busy for hours!
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