Tourmaline

Dumortierite

Tourmaline Vs Dumortierite

Tourmaline

Dumortierite

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1 Astrology

1.1 Origin

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

Southern and central Africa, violet, blue, violet, blue

1.2 Color

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

Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink

1.3 Streak

White

1.4 For which Rashi?

Libra

Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius

1.5 Planet

Venus, Mars

Saturn

1.6 Element of Planets

Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective

Receptive

1.9 Deities

Venus

Isis

1.10 Not to wear with

Not Available

1.11 Powers

Love, Courage

Healing

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.85-3.353.26-3.41

1 7.18

2.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

2.6 Cleavage

Indistinct

Distinct on {100}, poor on {110}; parting on {001}

2.7 Mohs Hardness

7-7.57-8.5

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.

AlAl₆O₃BSi₃O₁₈

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

typically moderate to strong

Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue

3.3 Dispersion

0.02None

0.007 1

3.4 Transparency

Transparent, Translucent, Transparent to opaque

Translucent, Translucent to opaque

3.5 Refractive Index

1.614-1.6661.669-1.723

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Orthorhombic

3.8 Birefringence

0.014-0.0400.011-0.037

0 0.296

3.9 Clarity

Transparent

Translucent

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 Dumortierite Fracture

Fracture is an important parameter when you compare Tourmaline and Dumortierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Tourmaline Vs Dumortierite 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. Dumortierite fracture is ConchoidalWalter Schumann, Fibrous and Gemstones of the world (2001) More from other references.

Compare Semi Precious Gemstones

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Tourmaline Vs Beryl

Tourmaline Vs Dumortierite Luster

A primary knowledge about Tourmaline vs Dumortierite 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. Dumortierite, on other hand, exhibits Vitreous luster.