Tourmaline

Cordierite

Tourmaline Vs Cordierite

Tourmaline

Cordierite

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1 Astrology

1.1 Origin

Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan

Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania

1.2 Color

Green, Blue, Yellow, Red, Brown, White, Colorless, Blue, Red, Green, Yellow, pink

Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray

1.3 Streak

White

1.4 For which Rashi?

Libra

Not Available

1.5 Planet

Venus, Mars

Not Available

1.6 Element of Planets

Water

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective

Not Available

1.9 Deities

Venus

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Love, Courage

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.85-3.352.57-2.66

1 7.18

2.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Subconchoidal, Conchoidal, Brittle

2.6 Cleavage

Indistinct

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

2.7 Mohs Hardness

7-7.57-7.5

2 10

2.8 Chemical Composition

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

Mg2Al4Si5O18

3 Optical Properties

3.1 Luster

Vitreous

Greasy, Vitreous

3.2 Pleochroism

typically moderate to strong

X = pale yellow

3.3 Dispersion

0.02NA

0.007 1

3.4 Transparency

Transparent, Translucent, Transparent to opaque

Not Available

3.5 Refractive Index

1.614-1.666Not Available

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Orthorhombic

3.8 Birefringence

0.014-0.040Not Available

0 0.296

3.9 Clarity

Transparent

Not Available

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

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 Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Cordierite fracture is Brittle, Conchoidal and Subconchoidal.

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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.