Sillimanite

Sunstone

Sillimanite Vs Sunstone

Sillimanite

Sunstone

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Astrology

Origin

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

Canada, USA, Tanzania, Norway

Color

Blue, Green, Brownish, Greenish, Colorless, gray

Red, Yellow, Brown, pink, Green

Streak

White

For which Rashi?

Leo

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Tough

Solubility

Durability

Specific Gravity

3.20-3.262.62-2.65

1 7.18

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Fracture

Splintery

Cleavage

{010} perfect

001

Mohs Hardness

6-7.56

2 10

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Chemical Composition

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

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Vitreous

Pleochroism

Colourless to pale brown to yellow

Weak or absentWalter Schumann

Dispersion

0.020.01

0.005 1

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Transparency

Transparent, Translucent

Transparent, Translucent, Transparent to translucent

Refractive Index

1.653-1.6851.53-1.55

1 3.25

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Optic Character

Crystal System

Orthorhombic

Triclinic

Birefringence

0.020-0.0220.007-0.010

0 0.296

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Clarity

Transparent

Transparent to translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Empowerment

Healing

Emotional healing

Physical healing

Qualities Associated

Creativity

Joy

Sillimanite Vs Sunstone Fracture

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

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Sillimanite Vs Sunstone Luster

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