Covellite

Manganotantalite

Covellite Vs Manganotantalite

Covellite

Manganotantalite

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1 Astrology

1.1 Origin

Mexico

Brazil, Mozambique

1.2 Color

Blue, Blue, Black

Scarlet, Red

1.3 Streak

Grey, Black, gray

Not Available

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

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

4.6-4.76Not Available

1 7.18

2.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009)

2.6 Cleavage

Perfect on {0001}

Not Available

2.7 Mohs Hardness

Not Available5.5-6.5

2 10

2.8 Chemical Composition

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

MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

3 Optical Properties

3.1 Luster

Resinous

Not Available

3.2 Pleochroism

Marked

Sometimes strongArthur Thomas

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

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

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

3.5 Refractive Index

1.45-2.622.19-2.34

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Hexagonal

Not Available

3.8 Birefringence

Not Available0.015

0 0.296

3.9 Clarity

OpaqueAnthony et al

TransparentWalter Schumann

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 Manganotantalite Fracture

Fracture is an important parameter when you compare Covellite and Manganotantalite Physical Properties. It is necessary to understand the significance of these properties, before you compare Covellite Vs Manganotantalite 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. Manganotantalite fracture is ConchoidalArthur Thomas and Gemstones (2009).

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Covellite Vs Manganotantalite Luster

A primary knowledge about Covellite vs Manganotantalite 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.