Black Tourmaline (Schorl) Meaning and Properties

Posted by Vidal Dias on

 

Properties of Black Tourmaline (Schorl)

Mineral Group

Cyclosilicates

Cleavage

Indistinct

Chemical Composition

Na Fe+23 Al6 Si6O18 (BO3)3 (OH,O)3 (OH)

Fracture

Irregular/Uneven, Conchoidal

Luster

Vitreous

Diaphaneity

Transparent to translucent, nearly opaque

Color

Black

Streak

White, colorless

Mohs Hardness

7 - 7.5

Specific Gravity

2.8 - 3.3

Diagnostic Properties

Color, streak, luster

Crystal System

Hexagonal

Uses

Gemstones, sculptures

Chakras

Root Chakra

Zodiac

Libra

Numerical Vibration

9 & 2

Metaphysical Meaning

All crystals contain energy that can be used to amplify your own intentions and manifestations through meditation and daily wear.

Geologic Setting

The most common occurrence of tourmaline is in granite pegmities, and in rocks immediately surrounding them. It is also found as an accessory mineral in most igneous and metamorphic rocks. It is stable from low temperatures and pressures to vey high temperatures and pressures. Most pegmatitic tourmaline is schorl or elbaite.

 

 

 

 

 

 

 

 

 

 

 

 

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