Jet

Powellite

Jet Vs Powellite

Jet

Powellite

Add ⊕

1 Astrology

1.1 Origin

Spain

India

1.2 Color

Black

Yellow, Greenish, Blue, Brown, Green, gray

1.3 Streak

Not Available

Yellow

1.4 For which Rashi?

Capricorn

Not Available

1.5 Planet

Saturn

Not Available

1.6 Element of Planets

Earth

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

Cybele

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Protection

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

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

1.19-1.354.23

1 7.18

2.5 Fracture

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

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

2.6 Cleavage

Not Available

{111} Distinct

2.7 Mohs Hardness

2.5-43.5-4

2 10

2.8 Chemical Composition

Not Available

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

3 Optical Properties

3.1 Luster

Waxy

Greasy, Subadamantine

3.2 Pleochroism

AbsentWalter Schumann

In deeply colored specimens: blue greenAnthony et al

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

Transparent

3.5 Refractive Index

1.640-1.6801.974-1.984

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Amorphous

Not Available

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

Gemmological Tables (2004) More from other references

Transparent

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

Jet Vs Powellite Fracture

Fracture is an important parameter when you compare Jet and Powellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Jet Vs Powellite 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 Jet is ConchoidalWalter Schumann, ConchoidalWalter Schumann and Gemstones of the world (2001) More from other references. Powellite fracture is Brittle, Conchoidal, Handbook of mineralogy (2001), Handbook of mineralogy (2001), UnevenAnthony et al and UnevenAnthony et al.

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Jet Vs Powellite Luster

A primary knowledge about Jet vs Powellite 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. Jet exhibits Waxy luster. Powellite, on other hand, exhibits Greasy and Subadamantine luster.