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Sillimanite
Sillimanite

Chalcopyrite
Chalcopyrite



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Sillimanite
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Chalcopyrite

Sillimanite Vs Chalcopyrite

Astrology

Origin

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

Color

Blue, Green, Brownish, Greenish, Colorless, gray
Yellow, Green, Black

Streak

White
Yellow, Green, Black, Greenish

For which Rashi?

-
-

Planet

-
-

Element of Planets

-
-

Energy

-
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How to Wear?

Finger

-
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Ring Metal

-
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Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
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Physical Properties

Tenacity

Tough
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.20-3.264.1-4.3
1 7.18
👆🏻

Fracture

Splintery
Uneven

Cleavage

{010} perfect
Indistinct on {011}

Mohs Hardness

6-7.53.5-4
2 10
👆🏻

Chemical Composition

Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)
CuFeS 2Anthony et al , Handbook of mineralogy (2001)

Optical Properties

Luster

Vitreous, Subadamantine, Silky
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Pleochroism

Colourless to pale brown to yellow
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Dispersion

0.020.07
0.005 1
👆🏻

Transparency

Transparent, Translucent
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Refractive Index

1.653-1.685-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

0.020-0.022-9999
0 0.296
👆🏻

Clarity

Transparent
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Benefits

Physical

Neurological

-
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Cardiovascular

-
Supports heart health

Respiratory

Good
Good

Reproductive

-
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Digestive

-
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Psychology

Creativity
Positivity

Healing

Emotional healing
Emotional healing

Qualities Associated

Creativity
Abundance

Sillimanite Vs Chalcopyrite Fracture

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

Sillimanite Vs Chalcopyrite Luster

A primary knowledge about Sillimanite vs Chalcopyrite 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.