Covellite

Alunite

Covellite Vs Alunite

Covellite

Alunite

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1 Astrology

1.1 Origin

Mexico

Australia, Italy

1.2 Color

Blue, Blue, Black

Yellow, Red, Reddish, Brown, Colorless, White, Yellow, Red, Reddish, Brown, Colorless, White, gray, White, gray, Reddish, White, gray, Reddish, White, gray, Reddish

1.3 Streak

Grey, Black, gray

White

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

4.6-4.762.6-2.9

1 7.18

2.5 Fracture

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

Conchoidal, Uneven

2.6 Cleavage

Perfect on {0001}

On {0001}, perfect

2.7 Mohs Hardness

Not Available3.5-4

2 10

2.8 Chemical Composition

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

KAl3(SO4)2(OH)6

3 Optical Properties

3.1 Luster

Resinous

Vitreous, Pearly

3.2 Pleochroism

Marked

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

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

Not Available

3.5 Refractive Index

1.45-2.621.572

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Hexagonal

Trigonal

3.8 Birefringence

Not Available0.020

0 0.296

3.9 Clarity

OpaqueAnthony et al

Not Available

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 Alunite Fracture

Fracture is an important parameter when you compare Covellite and Alunite Physical Properties. It is necessary to understand the significance of these properties, before you compare Covellite Vs Alunite 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. Alunite fracture is Conchoidal and Uneven.

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Covellite Vs Alunite Luster

A primary knowledge about Covellite vs Alunite 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. Alunite, on other hand, exhibits Pearly and Vitreous luster.