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Sillimanite
Sillimanite

Copper
Copper



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Sillimanite
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Copper

Sillimanite Vs Copper

Astrology

Origin

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

Color

Blue, Green, Brownish, Greenish, Colorless, gray
Green, Brown, Red, pink

Streak

White
rose

For which Rashi?

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Taurus, Sagittarius

Planet

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Venus

Element of Planets

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Water

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
Protection

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Tough
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Solubility

-
-

Durability

-
-

Specific Gravity

3.20-3.26-9999
1 7.18
👆🏻

Fracture

Splintery
Hackly

Cleavage

{010} perfect
None

Mohs Hardness

6-7.52.5
2 10
👆🏻

Chemical Composition

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

Optical Properties

Luster

Vitreous, Subadamantine, Silky
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Pleochroism

Colourless to pale brown to yellow
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Dispersion

0.020.00
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
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m

Birefringence

0.020-0.022-9999
0 0.296
👆🏻

Clarity

Transparent
-

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
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Psychology

Creativity
Harmony

Healing

Emotional healing
Physical healing

Qualities Associated

Creativity
Conductivity

Sillimanite Vs Copper Fracture

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

Sillimanite Vs Copper Luster

A primary knowledge about Sillimanite vs Copper 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.