Sugilite

Sillimanite

Sugilite Vs Sillimanite

Sugilite

Sillimanite

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Astrology

Origin

Canada, Southern and central Africa, Italy, Australia, India

USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil

Color

Violet, Brownish, Yellow, Reddish, Pale pink

Blue, Green, Brownish, Greenish, Colorless, gray

Streak

White

For which Rashi?

Virgo

Planet

Mercury, Jupiter

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Tough

Solubility

Durability

Specific Gravity

2.69-2.793.20-3.26

1 7.18

👆🏻

Fracture

Conchoidal

Splintery

Cleavage

Poor on {0001}

{010} perfect

Mohs Hardness

5.5-6.56-7.5

2 10

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Chemical Composition

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous

Vitreous, Subadamantine, Silky

Pleochroism

Weak

Colourless to pale brown to yellow

Dispersion

0.020.02

0.005 1

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Transparency

Translucent

Transparent, Translucent

Refractive Index

1.607-1.6121.653-1.685

1 3.25

👆🏻

Optic Character

Crystal System

Hexagonal

Orthorhombic

Birefringence

0.0030.020-0.022

0 0.296

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Clarity

Translucent

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Excellent

Good

Reproductive

Digestive

Psychology

Spirituality

Creativity

Healing

Emotional healing

Qualities Associated

Spiritual Protection

Creativity

Sugilite Vs Sillimanite Fracture

Fracture is an important parameter when you compare Sugilite and Sillimanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sugilite Vs Sillimanite 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 Sugilite is Conchoidal. Sillimanite fracture is Splintery.

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Sugilite Vs Sillimanite Luster

A primary knowledge about Sugilite vs Sillimanite 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. Sugilite exhibits Vitreous luster. Sillimanite, on other hand, exhibits Vitreous, Subadamantine and Silky luster.