Spinel

Powellite

Spinel Vs Powellite

Spinel

Powellite

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1 Astrology

1.1 Origin

Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia

India

1.2 Color

Blue, Violet, Colorless, Red, Green, Brown

Yellow, Greenish, Blue, Brown, Green, gray

1.3 Streak

White

Yellow

1.4 For which Rashi?

Sagittarius, Scorpio, Sagittarius, Scorpio, Sagittarius, Scorpio

Not Available

1.5 Planet

Pluto

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

Projective

Not Available

1.9 Deities

Hephaestus

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Money

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

none

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.64-3.664.23

1 7.18

2.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

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

2.6 Cleavage

None, but may exhibit slight parting

{111} Distinct

2.7 Mohs Hardness

83.5-4

2 10

2.8 Chemical Composition

MgAl₂O₄

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

3 Optical Properties

3.1 Luster

Vitreous

Greasy, Subadamantine

3.2 Pleochroism

Absent

In deeply colored specimens: blue greenAnthony et al

3.3 Dispersion

0.02NA

0.007 1

3.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent

3.5 Refractive Index

1.731.974-1.984

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Isometric

Not Available

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

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

Spinel Vs Powellite Fracture

Fracture is an important parameter when you compare Spinel and Powellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Spinel 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 Spinel is Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Powellite fracture is Brittle, Conchoidal, Handbook of mineralogy (2001), Handbook of mineralogy (2001), UnevenAnthony et al and UnevenAnthony et al.

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Spinel Vs Powellite Luster

A primary knowledge about Spinel 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. Spinel exhibits Vitreous luster. Powellite, on other hand, exhibits Greasy and Subadamantine luster.