Brookite

Covellite

Brookite Vs Covellite

Brookite

Covellite

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1 Astrology

1.1 Origin

Russia

Mexico

1.2 Color

Red, Reddish, Brown, Black, Brown, Reddish, orange

Blue, Blue, Black

1.3 Streak

White

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

Brittle

Flexible

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.87-4.144.6-4.76

1 7.18

2.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

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

2.6 Cleavage

Poor on {120}, in traces on {001}

Perfect on {0001}

2.7 Mohs Hardness

5.5-6Not Available

2 10

2.8 Chemical Composition

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

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

3 Optical Properties

3.1 Luster

Adamantine

Resinous

3.2 Pleochroism

Very weak

Marked

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

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

3.5 Refractive Index

2.583-2.7411.45-2.62

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Hexagonal

3.8 Birefringence

0.117Not 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

Brookite Vs Covellite Fracture

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

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Brookite Vs Covellite Luster

A primary knowledge about Brookite 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. Brookite exhibits Adamantine luster. Covellite, on other hand, exhibits Resinous luster.