Covellite

Dioptase

Covellite Vs Dioptase

Covellite

Dioptase

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1 Astrology

1.1 Origin

Mexico

Dioptase from Altyn Tübe, Kazakhstan, the type locality

1.2 Color

Blue, Blue, Black

Green, Blue, Green

1.3 Streak

Grey, Black, gray

Green

1.4 For which Rashi?

Not Available

1.5 Planet

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

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Flexible

Brittle

2.2 Solubility

Not Available

Soluble

2.3 Durability

Not Available

2.4 Specific Gravity

4.6-4.763.25-3.35

1 7.18

2.5 Fracture

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

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

2.6 Cleavage

Perfect on {0001}

Perfect in three directions

2.7 Mohs Hardness

Not Available5

2 10

2.8 Chemical Composition

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

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

3 Optical Properties

3.1 Luster

Resinous

Vitreous

3.2 Pleochroism

Marked

Weak; dark emerald green

3.3 Dispersion

NA0.04

0.007 1

3.4 Transparency

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

TranslucentHerve Nicolas Lazzarelli

3.5 Refractive Index

1.45-2.621.644-1.720

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Hexagonal

Trigonal

3.8 Birefringence

Not Available0.051-0.053

0 0.296

3.9 Clarity

OpaqueAnthony et al

TranslucentHerve Nicolas Lazzarelli

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 Dioptase Fracture

Fracture is an important parameter when you compare Covellite and Dioptase Physical Properties. It is necessary to understand the significance of these properties, before you compare Covellite Vs Dioptase 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. Dioptase fracture is Brittle, Conchoidal, Conchoidal, ConchoidalWalter Schumann and Gemstones of the world (2001) More from other references.

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Covellite Vs Dioptase Luster

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