Star Sapphire

Powellite

Star Sapphire Vs Powellite

Star Sapphire

Powellite

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Astrology

Origin

Southern and central Africa

India

Color

Yellow, Green, Blue, Violet

Yellow, Greenish, Blue, Brown, Green, gray

Streak

Yellow

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.90-4.054.23

1 7.18

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Fracture

Conchoidal

Cleavage

None

{111} Distinct

Mohs Hardness

-99993.5-4

2 10

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Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

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

Optical Properties

Luster

Greasy, Subadamantine

Pleochroism

In deeply colored specimens: blue greenAnthony et al

Dispersion

0.020.03

0.005 1

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Transparency

Transparent, Translucent

Transparent

Refractive Index

1.758-1.7801.974-1.984

1 3.25

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Optic Character

Crystal System

Birefringence

0.007-0.010-9999

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Wisdom

Healing

Emotional healing

Qualities Associated

Wisdom

Vitality

Star Sapphire Vs Powellite Fracture

Fracture is an important parameter when you compare Star Sapphire and Powellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Star Sapphire 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. Powellite fracture is Conchoidal.

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Star Sapphire Vs Powellite Luster

A primary knowledge about Star Sapphire 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. Powellite, on other hand, exhibits Greasy and Subadamantine luster.