Star Sapphire

Achroite

Star Sapphire Vs Achroite

Star Sapphire

Achroite

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Astrology

Origin

Southern and central Africa

Afghanistan, Sri Lanka

Color

Yellow, Green, Blue, Violet

Colorless, Blue

Streak

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

3.90-4.052.90-3.40

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Cleavage

None

Indiscernible

Mohs Hardness

-99997-7.5

2 10

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Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Optical Properties

Luster

Pleochroism

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.758-1.7801.614-1.666

1 3.25

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Optic Character

Crystal System

Birefringence

0.007-0.0100.014-0.040

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Excellent

Reproductive

Digestive

Psychology

Wisdom

Balance

Healing

Emotional healing

Qualities Associated

Wisdom

Spiritual Growth

Star Sapphire Vs Achroite Fracture

Fracture is an important parameter when you compare Star Sapphire and Achroite Physical Properties. It is necessary to understand the significance of these properties, before you compare Star Sapphire Vs Achroite 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. Achroite fracture is Uneven and ConchoidalWalter Schumann.

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Star Sapphire Vs Achroite Luster

A primary knowledge about Star Sapphire vs Achroite 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.