Covellite

Emerald

Covellite Vs Emerald

Covellite

Emerald

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1 Astrology

1.1 Origin

Mexico

Colombia, Zambia, Brazil, Madagascar, Southern and central Africa, Zimbabwe, Russia, India, Pakistan, Australia, USA, Not Available, Mexico, Spain

1.2 Color

Blue, Blue, Black

Green, Green, Blue, Yellow, Grey

1.3 Streak

Grey, Black, gray

White

1.4 For which Rashi?

Not Available

Taurus, Gemini, Aries, Taurus, Gemini, Aries, Taurus, Gemini, Aries

1.5 Planet

Not Available

Venus, Mercury

1.6 Element of Planets

Not Available

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

Gold

1.8 Energy

Not Available

Receptive

1.9 Deities

Not Available

Diana, Artemis, Venus, Freyja

1.10 Not to wear with

Not Available

Red Coral, Natural Pearl, Moonstone, Ruby, Red Coral, Natural Pearl, Moonstone, Ruby

1.11 Powers

Not Available

Money, Protection, Love, Courage

1.12 Birthstone

1.12.1 Planetary

Not Available

Taurus

1.12.2 Talisman

Not Available

Gemini

2 Physical Properties

2.1 Tenacity

Flexible

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

Hard

2.4 Specific Gravity

4.6-4.762.67-2.78

1 7.18

2.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

2.6 Cleavage

Perfect on {0001}

Imperfect on the [0001]

2.7 Mohs Hardness

Not Available7.5-8

2 10

2.8 Chemical Composition

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

Be₃Al₂SiO₆

3 Optical Properties

3.1 Luster

Resinous

Vitreous

3.2 Pleochroism

Marked

Strong dichroism: yellow green Lazzarelli

3.3 Dispersion

NA0.01

0.007 1

3.4 Transparency

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

Transparent, Translucent, Transparent to translucent

3.5 Refractive Index

1.45-2.621.565-1.602

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Hexagonal

3.8 Birefringence

Not Available0.0040-0.0070

0 0.296

3.9 Clarity

OpaqueAnthony et al

Color grading system

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 Emerald Fracture

Fracture is an important parameter when you compare Covellite and Emerald Physical Properties. It is necessary to understand the significance of these properties, before you compare Covellite Vs Emerald 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. Emerald fracture is ConchoidalWalter Schumann, Gemstones of the world (2001), Uneven and Uneven.

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Covellite Vs Emerald Luster

A primary knowledge about Covellite vs Emerald 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. Emerald, on other hand, exhibits Vitreous luster.