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Pearl
Pearl

Sillimanite
Sillimanite



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Pearl
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Sillimanite

Pearl Vs Sillimanite

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Astrology

Origin

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

Color

Green, Blue
Blue, Green, Brownish, Greenish, Colorless, gray

Streak

White
White

For which Rashi?

Cancer, Gemini
-

Planet

-
-

Element of Planets

Water
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

Venus
-

Not to wear with

-
-

Powers

Protection, Love
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
Tough

Solubility

-
-

Durability

-
-

Specific Gravity

2.60-2.853.20-3.26
1 7.18
👆🏻

Fracture

-
Splintery

Cleavage

none
{010} perfect

Mohs Hardness

2.5-4.56-7.5
2 10
👆🏻

Chemical Composition

CaCO3
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Pearly
Vitreous, Subadamantine, Silky

Pleochroism

-
Colourless to pale brown to yellow

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Translucent, Opaque
Transparent, Translucent

Refractive Index

1.52-1.661.653-1.685
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.1560.020-0.022
0 0.296
👆🏻

Clarity

Translucent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Supports heart health
-

Respiratory

Excellent
Good

Reproductive

Supports reproductive health
-

Digestive

Supports digestive health
-

Psychology

Purity
Creativity

Healing

Emotional healing
Emotional healing

Qualities Associated

Purity
Creativity

Pearl Vs Sillimanite Fracture

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

Pearl Vs Sillimanite Luster

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