Chrysocolla

Covellite

Chrysocolla Vs Covellite

Chrysocolla

Covellite

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1 Astrology

1.1 Origin

Southern and central Africa, Sixth Edition (2006)

Mexico

1.2 Color

Blue, Green, Blue, Brown

Blue, Blue, Black

1.3 Streak

White, Blue, Green

Grey, Black, gray

1.4 For which Rashi?

Taurus

Not Available

1.5 Planet

Venus

Not Available

1.6 Element of Planets

Water

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

Not Available

1.9 Deities

Venus

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Love

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Brittle

Flexible

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.00-2.454.6-4.76

1 7.18

2.5 Fracture

Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

2.6 Cleavage

none

Perfect on {0001}

2.7 Mohs Hardness

2-4Not Available

2 10

2.8 Chemical Composition

Cu₂H₂Si₂O₅(OH)₄

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

3 Optical Properties

3.1 Luster

Vitreous, Greasy

Resinous

3.2 Pleochroism

AbsentWalter Schumann

Marked

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Opaque

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

3.5 Refractive Index

1.460-1.5701.45-2.62

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

Hexagonal

3.8 Birefringence

0.023-0.050Not Available

0 0.296

3.9 Clarity

Gemmological Tables (2004) More from other references

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

Chrysocolla Vs Covellite Fracture

Fracture is an important parameter when you compare Chrysocolla and Covellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Chrysocolla 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 Chrysocolla is Brittle, ConchoidalArthur Thomas, Gemstones (2009) and Sub-Conchoidal. Covellite fracture is Brittle, Gemstones (2009), Gemstones (2009), Metallic and UnevenArthur Thomas.

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Chrysocolla Vs Covellite Luster

A primary knowledge about Chrysocolla 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. Chrysocolla exhibits Greasy and Vitreous luster. Covellite, on other hand, exhibits Resinous luster.