Sugilite

Dumortierite

Sugilite Vs Dumortierite

Sugilite

Dumortierite

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Astrology

Origin

Canada, Southern and central Africa, Italy, Australia, India

Southern and central Africa

Color

Violet, Brownish, Yellow, Reddish, Pale pink

Blue, Violet, Brown, White, Greenish, pink

Streak

White

For which Rashi?

Virgo

Leo, Sagittarius

Planet

Mercury, Jupiter

Saturn

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Isis

Not to wear with

Powers

Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.69-2.793.26-3.41

1 7.18

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Fracture

Conchoidal

Fibrous, ConchoidalWalter Schumann

Cleavage

Poor on {0001}

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

Mohs Hardness

5.5-6.57-8.5

2 10

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Chemical Composition

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

AlAl₆O₃BSi₃O₁₈

Optical Properties

Luster

Vitreous

Pleochroism

Weak

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

Dispersion

0.020.01

0.005 1

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Transparency

Translucent

Translucent, Translucent to opaque

Refractive Index

1.607-1.6121.669-1.723

1 3.25

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Optic Character

Crystal System

Hexagonal

Orthorhombic

Birefringence

0.0030.011-0.037

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Excellent

Good

Reproductive

Digestive

Psychology

Spirituality

Patience

Healing

Emotional healing

Qualities Associated

Spiritual Protection

Patience

Sugilite Vs Dumortierite Fracture

Fracture is an important parameter when you compare Sugilite and Dumortierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sugilite 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 Sugilite is Conchoidal. Dumortierite fracture is Fibrous and ConchoidalWalter Schumann.

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Sugilite Vs Dumortierite Luster

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