Sillimanite

Childrenite

Sillimanite Vs Childrenite

Sillimanite

Childrenite

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Astrology

Origin

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

Brazil

Color

Blue, Green, Brownish, Greenish, Colorless, gray

Yellow, White, Brown, Brownish, Black

Streak

White

Brown, Yellow, 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

Soluble

Durability

Specific Gravity

3.20-3.263.06-3.25

1 7.18

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Fracture

Splintery

Sub-Conchoidal, Conchoidal, Uneven

Cleavage

{010} perfect

Poor/indistinct on {100}

Mohs Hardness

6-7.54.5-5

2 10

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Chemical Composition

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

(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Vitreous, Resinous

Pleochroism

Colourless to pale brown to yellow

visible

Dispersion

0.020.03

0.005 1

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Transparency

Transparent, Translucent

Transparent

Refractive Index

1.653-1.6851.639-1.672

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

0.020-0.0220.027-0.042

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Cardiovascular

Enhances mental clarity

Respiratory

Good

Excellent

Reproductive

Digestive

Psychology

Creativity

Healing

Emotional healing

Qualities Associated

Creativity

Joy

Sillimanite Vs Childrenite Fracture

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

Compare Blue Gemstones

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Sillimanite Vs Childrenite Luster

A primary knowledge about Sillimanite vs Childrenite 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. Childrenite, on other hand, exhibits Vitreous and Resinous luster.