Sapphire

Dumortierite

Sapphire Vs Dumortierite

Sapphire

Dumortierite

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Astrology

Origin

Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA

Southern and central Africa

Color

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

Blue, Violet, Brown, White, Greenish, pink

Streak

White

For which Rashi?

Pisces, Taurus, Gemini, Libra

Leo, Sagittarius

Planet

Saturn

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Apollo

Isis

Not to wear with

Powers

Psychic Power

Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

insoluble

Durability

Specific Gravity

3.95-4.033.26-3.41

1 7.18

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Fracture

Uneven

Fibrous, ConchoidalWalter Schumann

Cleavage

None, but may exhibit parting

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

Mohs Hardness

97-8.5

2 10

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Chemical Composition

Al ₂ O ₃

AlAl₆O₃BSi₃O₁₈

Optical Properties

Luster

Vitreous, Adamantine

Vitreous

Pleochroism

Strong

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

Transparent, Translucent, Transparent to opaque

Translucent, Translucent to opaque

Refractive Index

1.762-1.7881.669-1.723

1 3.25

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Optic Character

Crystal System

Trigonal

Orthorhombic

Birefringence

0.008-0.0090.011-0.037

0 0.296

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Clarity

Transparent

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Intuition

Patience

Healing

Emotional healing

Qualities Associated

Wisdom

Patience

Sapphire Vs Dumortierite Fracture

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

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Sapphire Vs Dumortierite Luster

A primary knowledge about Sapphire 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. Sapphire exhibits Vitreous and Adamantine luster. Dumortierite, on other hand, exhibits Vitreous luster.