Dumortierite

Tourmaline

Dumortierite Vs Tourmaline

Dumortierite

Tourmaline

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1 Astrology

1.1 Origin

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

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

1.2 Color

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

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

1.3 Streak

White

1.4 For which Rashi?

Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius

Libra

1.5 Planet

Saturn

Venus, Mars

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

Receptive

Projective

1.9 Deities

Isis

Venus

1.10 Not to wear with

Not Available

1.11 Powers

Healing

Love, Courage

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

3.26-3.412.85-3.35

1 7.18

2.5 Fracture

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

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

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

Indistinct

2.7 Mohs Hardness

7-8.57-7.5

2 10

2.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

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

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

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

typically moderate to strong

3.3 Dispersion

None0.02

0.007 1

3.4 Transparency

Translucent, Translucent to opaque

Transparent, Translucent, Transparent to opaque

3.5 Refractive Index

1.669-1.7231.614-1.666

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Trigonal

3.8 Birefringence

0.011-0.0370.014-0.040

0 0.296

3.9 Clarity

Translucent

Transparent

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

Dumortierite Vs Tourmaline Fracture

Fracture is an important parameter when you compare Dumortierite and Tourmaline Physical Properties. It is necessary to understand the significance of these properties, before you compare Dumortierite 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 Dumortierite is ConchoidalWalter Schumann, Fibrous and Gemstones of the world (2001) More from other references. Tourmaline fracture is Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven.

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Dumortierite Vs Tourmaline Luster

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