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Flint
Flint

Sillimanite
Sillimanite



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Flint
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Sillimanite

Flint Vs Sillimanite

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Astrology

Origin

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

Color

Grey, Black, Green, White, Brown
Blue, Green, Brownish, Greenish, Colorless, gray

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

-99993.20-3.26
1 7.18
👆🏻

Fracture

Uneven
Splintery

Cleavage

None
{010} perfect

Mohs Hardness

-99996-7.5
2 10
👆🏻

Chemical Composition

SiO2
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

-
Vitreous, Subadamantine, Silky

Pleochroism

-
Colourless to pale brown to yellow

Dispersion

0.150.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

-99991.653-1.685
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.020-0.022
0 0.296
👆🏻

Clarity

-
Transparent

Benefits

Physical

Neurological

Aids in mental clarity and focus
-

Cardiovascular

-
-

Respiratory

Poor
Good

Reproductive

-
-

Digestive

-
-

Psychology

Resilience
Creativity

Healing

Emotional healing
Emotional healing

Qualities Associated

Grounding
Creativity

Flint Vs Sillimanite Fracture

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

Flint Vs Sillimanite Luster

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