Covellite

Dumortierite

Covellite Vs Dumortierite

Covellite

Dumortierite

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1 Astrology

1.1 Origin

Mexico

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

1.2 Color

Blue, Blue, Black

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

1.3 Streak

Grey, Black, gray

White

1.4 For which Rashi?

Not Available

Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius

1.5 Planet

Not Available

Saturn

1.6 Element of Planets

Not Available

Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Receptive

1.9 Deities

Not Available

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

Flexible

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

4.6-4.763.26-3.41

1 7.18

2.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

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

2.6 Cleavage

Perfect on {0001}

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

2.7 Mohs Hardness

Not Available7-8.5

2 10

2.8 Chemical Composition

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

AlAl₆O₃BSi₃O₁₈

3 Optical Properties

3.1 Luster

Resinous

Vitreous

3.2 Pleochroism

Marked

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

OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references

Translucent, Translucent to opaque

3.5 Refractive Index

1.45-2.621.669-1.723

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Hexagonal

Orthorhombic

3.8 Birefringence

Not Available0.011-0.037

0 0.296

3.9 Clarity

OpaqueAnthony et al

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

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. Fracture observed in Covellite is Brittle, Gemstones (2009), Gemstones (2009), Metallic and UnevenArthur Thomas. Dumortierite fracture is ConchoidalWalter Schumann, Fibrous and Gemstones of the world (2001) More from other references.

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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.