Iolite

Dumortierite

Iolite Vs Dumortierite

Iolite

Dumortierite

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1 Astrology

1.1 Origin

Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma

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

1.2 Color

Blue, Violet, Blue, Yellow, Grey

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

1.3 Streak

Not Available

White

1.4 For which Rashi?

Libra, Sagittarius, Taurus, Libra, Sagittarius, Taurus, Libra, Sagittarius, Taurus

Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius

1.5 Planet

Jupiter

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

Receptive

1.9 Deities

Goddess

Isis

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

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

2.6-2.73.26-3.41

1 7.18

2.5 Fracture

Not Available

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

2.6 Cleavage

3,1

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

2.7 Mohs Hardness

7-7.57-8.5

2 10

2.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

AlAl₆O₃BSi₃O₁₈

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Not Available

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

3.3 Dispersion

NANone

0.007 1

3.4 Transparency

Transparent, Translucent, Transparent to translucent

Translucent, Translucent to opaque

3.5 Refractive Index

1.52-1.561.669-1.723

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

3.8 Birefringence

Not Available0.011-0.037

0 0.296

3.9 Clarity

Transparent to translucent

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

Iolite Vs Dumortierite Fracture

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

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Iolite Vs Dumortierite Luster

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