Bio Tourmaline

Bio Tourmaline Last updated : June 23, 2018 5:09 AM

About bio tourmaline Gemstone

Where is Bio Tourmaline found?

Healing Properties

Bio Tourmaline Facts

Metaphysical Properties

Bio Tourmaline at a Glance

Cleavage Indistinct
Other Names watermelon tourmaline only when pink and green is present
Crystal Habit Parallel and elongated. Acicular prisms, sometimes radiating
Streak White
Refractive Index nω=1.635–1.675,nε=1.610–1.650
Diaphaneity transparent to opaque
Moh's scale (hardness) 7–7.5
Sources United States,Brazil,Africa,Afghanistan
Chemical formula XY3Z6(T6O18)(BO3)3V3W
Lustre Vitreous
Color Most commonly black, but can range from colorless to brown, red, orange, yellow, green, blue, violet, pink, or hues in between; can be bi-colored, or even tri-colored; rarely can be neon green or electric blue
Chakra Healing Root or base chakra
Birthstone October
Zodiac Libra

Bio Tourmaline Color

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