Covellite

Dumortierite

Covellite Vs Dumortierite

Covellite

Dumortierite

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Astrology

Origin

Mexico

Southern and central Africa

Color

Blue, Black

Blue, Violet, Brown, White, Greenish, pink

Streak

Grey, Black, gray

White

For which Rashi?

Leo, Sagittarius

Planet

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

Flexible

Solubility

Durability

Specific Gravity

4.6-4.763.26-3.41

1 7.18

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Fracture

Fibrous, ConchoidalWalter Schumann

Cleavage

Perfect on {0001}

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

Mohs Hardness

-99997-8.5

2 10

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Chemical Composition

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

AlAl₆O₃BSi₃O₁₈

Optical Properties

Luster

Resinous

Vitreous

Pleochroism

Marked

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

Dispersion

0.080.01

0.005 1

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Transparency

OpaqueAnthony et al

Translucent, Translucent to opaque

Refractive Index

1.45-2.621.669-1.723

1 3.25

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Optic Character

Crystal System

Hexagonal

Orthorhombic

Birefringence

-99990.011-0.037

0 0.296

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Clarity

OpaqueAnthony et al

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Transformation

Patience

Healing

Emotional healing

Qualities Associated

Manifestation

Patience

Covellite Vs Dumortierite Fracture

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

Compare Blue Gemstones

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Covellite Vs Dumortierite Luster

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