A stunning Tourmaline specimen from the Pederneira mine in Minas Gerais, Brazil. The photo is by German photographer Malte Sickinger - Tourmaline Crystal Structure / Watermelon Tourmaline / Rocks / Gems /
Keep your desk clean and as organized as a scientist. Test tubes aren't just good for mixing chemicals. They are also a great desk accessory. The Lab-Solutely Test Tube Organized Desk Set gives a geek, yet sleek presentation for your office supplies.