Crushed Rainbow Tourmaline from Brazil, Medium Crush, Sand Size, 2mm - 0.25mm

Tourmaline represents a large group of related mineral species that exhibit many unusual optical and physical properties. Chemically more complex than most minerals, tourmaline exhibits a substantial range of colors and varieties. 

This crushed material is a mixture of dark green, light green, pink, blue, black, and yellowish-orange tourmaline. This unique tourmaline mixture would be a great choice for custom and one-of-a-kind art projects. Tourmaline is also one of the official birthstones for October.

Our medium material is considered to be sand sized (very coarse sand to fine sand), ranging between 2 millimeters to 0.25 millimeters. Please see the corresponding sediment size chart. 

Mineral Properties

• Mohs’s Hardness: 7 - 7.5
• Specific Gravity (g/cm3): 3.00 - 3.26
• Luster: Vitreous
• Color: Green, Pink, Blue, Black, and Yellowish-Orange 
• Origin: Brazil

This product is not man-made, mixed with resin, dyed, or stabilized. Pictures are taken in full sun and material is dry. Size measurements are using the metric system (millimeters), including the metric ruler (cm/mm) as shown in the product photos.