Carnelian

Covellite

Carnelian Vs Covellite

Carnelian

Covellite

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1 Astrology

1.1 Origin

Not Available

Mexico

1.2 Color

Red

Blue, Blue, Black

1.3 Streak

White

Grey, Black, gray

1.4 For which Rashi?

Taurus, Leo, Taurus, Leo, Taurus, Leo

Not Available

1.5 Planet

Sun

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective

Not Available

1.9 Deities

Isis, Bragi

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Protection, Healing, Courage

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

Flexible

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.58-2.644.6-4.76

1 7.18

2.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

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

2.6 Cleavage

Absent

Perfect on {0001}

2.7 Mohs Hardness

6.5-7Not Available

2 10

2.8 Chemical Composition

SiO₂

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

3 Optical Properties

3.1 Luster

Vitreous

Resinous

3.2 Pleochroism

AbsentWalter Schumann

Marked

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Translucent, Transparent to nearly opaque

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

3.5 Refractive Index

1.535-1.5391.45-2.62

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Hexagonal

3.8 Birefringence

0.003-0.009Not Available

0 0.296

3.9 Clarity

Translucent

OpaqueAnthony et al

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

Carnelian Vs Covellite Fracture

Fracture is an important parameter when you compare Carnelian and Covellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Carnelian Vs Covellite 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 Carnelian is Conchoidal, Gemstones of the world (2001), Splintery, Uneven and UnevenWalter Schumann. Covellite fracture is Brittle, Gemstones (2009), Gemstones (2009), Metallic and UnevenArthur Thomas.

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Carnelian Vs Covellite Luster

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