Black Tourmaline Umbrellas Designed by a biology teacher

Designed by a biology teacher

and anyone who appreciates that wine is much more than just ethanol

Design districts in each of the five types

Black Tourmaline

It's also been made into an engaging jigsaw puzzle for you to assemble

Black Tourmaline Umbrellas Designed by a biology teacherBlack Tourmaline, or Schorl, is a borosilicate mineral known for its black color and long, thin crystal striations. Material: Black Tourmaline Location: Minas Gerais, Brazil Weight: Approximately 0. 2 0. 5 lbs Dimensions: Approximately 2 3" length This product is formed naturally and each stone may vary in size, shape, and color. The specimen you receive may not be exactly as pictured.