Sillimanite

Serpentine

Sillimanite Vs Serpentine

Sillimanite

Serpentine

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Astrology

Origin

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

USA, Southern and central Africa, China, India, Italy

Color

Blue, Green, Brownish, Greenish, Colorless, gray

White, Yellow

Streak

White

For which Rashi?

Gemini

Planet

Saturn

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Tough

Solubility

Durability

Specific Gravity

3.20-3.262.44-2.62

1 7.18

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Fracture

Splintery

Uneven

Cleavage

{010} perfect

Indiscernible

Mohs Hardness

6-7.52.5-5.5

2 10

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Chemical Composition

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

H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Vitreous, Greasy, Silky

Pleochroism

Colourless to pale brown to yellow

Dispersion

0.020.01

0.005 1

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Transparency

Transparent, Translucent

Translucent

Refractive Index

1.653-1.6851.560-1.571

1 3.25

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Optic Character

Crystal System

Orthorhombic

monoclinic

Birefringence

0.020-0.0220.008-0.014

0 0.296

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Clarity

Transparent

Translucent

Benefits

Physical

Neurological

Aids in mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Transformation

Healing

Emotional healing

Qualities Associated

Creativity

Protection

Sillimanite Vs Serpentine Fracture

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

Compare Blue Gemstones

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Sillimanite Vs Serpentine Luster

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