Origin
Southern and central Africa
-
Color
Brown, White, Greenish, gray, Green, Brownish
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
gray
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For which Rashi?
-
Libra
Planet
-
Venus, Mars
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Venus, Mars
Not to wear with
-
-
Powers
-
Love, Courage
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.9-3.52.85-3.35
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
3,2
Mohs Hardness
5.5-67-7.5
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Tourmaline is a series of several different minerals with unique chemical formulas.
Luster
Vitreous, Pearly
Vitreous
Pleochroism
-
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.603-1.6901.614-1.666
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Hexagonal
Birefringence
-99990.014-0.040
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances brain function
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Peace
Balance
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-discovery
Vitality