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Tourmaline
Tourmaline

Cordierite
Cordierite



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Tourmaline
X
Cordierite

Tourmaline Vs Cordierite

Astrology

Origin

Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania

Color

Green, Blue, Yellow, Red, Brown, White, Colorless, pink
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray

Streak

White
White

For which Rashi?

Libra
-

Planet

Venus, Mars
-

Element of Planets

Water
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

Venus
-

Not to wear with

-
-

Powers

Love, Courage
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

2.85-3.352.57-2.66
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Subconchoidal, Conchoidal

Cleavage

Indistinct
Fair on {100}, poor on {001} and {010}

Mohs Hardness

7-7.57-7.5
2 10
👆🏻

Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Mg2Al4Si5O18

Optical Properties

Luster

Vitreous
Greasy, Vitreous

Pleochroism

typically moderate to strong
X = pale yellow

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent, Translucent, Transparent to opaque
-

Refractive Index

1.614-1.666-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.014-0.040-9999
0 0.296
👆🏻

Clarity

Transparent
-

Benefits

Physical

Neurological

Aids in mental clarity and focus
Supports healthy digestion

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

Supports digestive health
-

Psychology

Protection
Intuition

Healing

Emotional healing
Emotional healing

Qualities Associated

Protection
Psychic Abilities

Tourmaline Vs Cordierite Fracture

Fracture is an important parameter when you compare Tourmaline and Cordierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Tourmaline Vs Cordierite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Tourmaline is Uneven and Conchoidal. Cordierite fracture is Subconchoidal and Conchoidal.

Tourmaline Vs Cordierite Luster

A primary knowledge about Tourmaline vs Cordierite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Tourmaline exhibits Vitreous luster. Cordierite, on other hand, exhibits Greasy and Vitreous luster.