Sillimanite

Elbaite

Sillimanite Vs Elbaite

Sillimanite

Elbaite

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Astrology

Origin

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

Italy, Canada

Color

Blue, Green, Brownish, Greenish, Colorless, gray

Blue, Red, Yellow, Colorless, Green, White

Streak

White

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

Tough

Solubility

Durability

Specific Gravity

3.20-3.262.90-3.10

1 7.18

👆🏻

Fracture

Splintery

Uneven, Conchoidal

Cleavage

{010} perfect

Poor/indistinct on {1120} and {1011}

Mohs Hardness

6-7.57

2 10

👆🏻

Chemical Composition

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

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Vitreous

Pleochroism

Colourless to pale brown to yellow

Pale green

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent

Transparent

Refractive Index

1.653-1.6851.614-1.666

1 3.25

👆🏻

Optic Character

Crystal System

Orthorhombic

Trigonal

Birefringence

0.020-0.0220.014-0.032

0 0.296

👆🏻

Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Emotional healing

Healing

Emotional healing

Qualities Associated

Creativity

Emotional Healing

Sillimanite Vs Elbaite Fracture

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

Compare Blue Gemstones

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Sillimanite Vs Elbaite Luster

A primary knowledge about Sillimanite vs Elbaite 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. Elbaite, on other hand, exhibits Vitreous luster.