Sillimanite

Cerussite

Sillimanite Vs Cerussite

Sillimanite

Cerussite

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Astrology

Origin

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

Czech

Color

Blue, Green, Brownish, Greenish, Colorless, gray

Brownish, Black, Colorless, White, gray, Blue, Green

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

insoluble

Durability

Specific Gravity

3.20-3.266.46-6.57

1 7.18

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Fracture

Splintery

Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

{010} perfect

Good [110] and [021]

Mohs Hardness

6-7.53-3.5

2 10

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Chemical Composition

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

PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Adamantine, Vitreous, Resinous

Pleochroism

Colourless to pale brown to yellow

Dispersion

0.020.06

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.653-1.6851.803-2.078

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

0.020-0.0220.273

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Creativity

Clarity

Healing

Emotional healing

Qualities Associated

Creativity

Clarity

Sillimanite Vs Cerussite Fracture

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

Compare Blue Gemstones

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Sillimanite Vs Cerussite Luster

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