Glaucophane

Covellite

Glaucophane Vs Covellite

Glaucophane

Covellite

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1 Astrology

1.1 Origin

Not Available

Mexico

1.2 Color

Blue, gray, Black, Blue

Blue, Blue, Black

1.3 Streak

Blue

Grey, Black, gray

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

Not Available

Flexible

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3-3.154.6-4.76

1 7.18

2.5 Fracture

Conchoidal, Brittle, Conchoidal

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

2.6 Cleavage

Good on [110] and on [001]

Perfect on {0001}

2.7 Mohs Hardness

6.0-6.5Not Available

2 10

2.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

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

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Resinous

3.2 Pleochroism

Strong

Marked

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Not Available

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

3.5 Refractive Index

1.606-1.6371.45-2.62

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

monoclinic

Hexagonal

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

Not Available

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

Glaucophane Vs Covellite Fracture

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

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Glaucophane Vs Covellite Luster

A primary knowledge about Glaucophane 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. Glaucophane exhibits Pearly and Vitreous luster. Covellite, on other hand, exhibits Resinous luster.