Cordierite

Tourmaline

Cordierite Vs Tourmaline

Cordierite

Tourmaline

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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

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

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Fracture

Subconchoidal, Conchoidal

Uneven, Conchoidal

Cleavage

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

Indistinct

Mohs Hardness

7-7.57-7.5

2 10

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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

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Transparency

Transparent, Translucent, Transparent to opaque

Refractive Index

-99991.614-1.666

1 3.25

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Optic Character

Crystal System

Orthorhombic

Trigonal

Birefringence

-99990.014-0.040

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Supports healthy digestion

Aids in mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Supports digestive health

Psychology

Intuition

Protection

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.

Compare Blue Gemstones

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Cordierite Vs Rosasite

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.