Spinel

Dumortierite

Spinel Vs Dumortierite

Spinel

Dumortierite

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Astrology

Origin

Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia

Southern and central Africa

Color

Blue, Violet, Colorless, Red, Green, Brown

Blue, Violet, Brown, White, Greenish, pink

Streak

White

For which Rashi?

Sagittarius, Scorpio

Leo, Sagittarius

Planet

Pluto

Saturn

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Hephaestus

Isis

Not to wear with

Powers

Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.64-3.663.26-3.41

1 7.18

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Fracture

Conchoidal, Uneven

Fibrous, ConchoidalWalter Schumann

Cleavage

None, but may exhibit slight parting

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

Mohs Hardness

87-8.5

2 10

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Chemical Composition

MgAl₂O₄

AlAl₆O₃BSi₃O₁₈

Optical Properties

Luster

Vitreous

Pleochroism

Absent

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 translucent

Translucent, Translucent to opaque

Refractive Index

1.731.669-1.723

1 3.25

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Optic Character

Crystal System

Isometric

Orthorhombic

Birefringence

-99990.011-0.037

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Revitalization

Patience

Healing

Emotional healing

Qualities Associated

Vitality

Patience

Spinel Vs Dumortierite Fracture

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

Compare Gems for Scorpio

Spinel Vs Moonstone

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Spinel Vs Dumortierite Luster

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