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Cordierite
Cordierite

Tourmaline
Tourmaline



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Cordierite
X
Tourmaline

Cordierite Vs Tourmaline

Astrology

Origin

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

Color

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

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

2.57-2.662.85-3.35
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
Uneven, Conchoidal

Cleavage

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

Mohs Hardness

7-7.57-7.5
2 10
👆🏻

Chemical Composition

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

Optical Properties

Luster

Greasy, Vitreous
Vitreous

Pleochroism

X = pale yellow
typically moderate to strong

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to opaque

Refractive Index

-99991.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

-99990.014-0.040
0 0.296
👆🏻

Clarity

-
Transparent

Benefits

Physical

Neurological

Supports healthy digestion
Aids in mental clarity and focus

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
Supports digestive health

Psychology

Intuition
Protection

Healing

Emotional healing
Emotional healing

Qualities Associated

Psychic Abilities
Protection

Cordierite Vs Tourmaline Fracture

Fracture is an important parameter when you compare Cordierite and Tourmaline Physical Properties. It is necessary to understand the significance of these properties, before you compare Cordierite Vs Tourmaline 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 Cordierite is Subconchoidal and Conchoidal. Tourmaline fracture is Uneven and Conchoidal.

Cordierite Vs Tourmaline Luster

A primary knowledge about Cordierite vs Tourmaline 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. Cordierite exhibits Greasy and Vitreous luster. Tourmaline, on other hand, exhibits Vitreous luster.