Tourmaline - China
Tourmaline - China
Location: China
"Tourmaline" is the name of a large group of boron silicate minerals. These minerals share a common crystal structure and similar physical properties - but vary tremendously in chemical composition.
Tourmaline is the birthstone for the month of October.
This is a big naturally terminated crystal.
Size: 3.35 x 2.3 x 2.05 inches