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Fire Agate
Fire Agate

Sillimanite
Sillimanite



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Fire Agate
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Sillimanite

Fire Agate Vs Sillimanite

Astrology

Origin

Southern and central Africa
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil

Color

Brown, Red, Blue, Yellow, orange
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

2.60-2.643.20-3.26
1 7.18
👆🏻

Fracture

Uneven, Splintery, Conchoidal
Splintery

Cleavage

Absent
{010} perfect

Mohs Hardness

6.5-76-7.5
2 10
👆🏻

Chemical Composition

SiO 2Arthur Thomas , Gemstones (2009)
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Waxy, Vitreous, Greasy, Silky
Vitreous, Subadamantine, Silky

Pleochroism

-
Colourless to pale brown to yellow

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.530-1.5431.653-1.685
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.003-0.0090.020-0.022
0 0.296
👆🏻

Clarity

Translucent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Aids in digestion and nutrient absorption
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Protection
Creativity

Healing

Emotional healing
Emotional healing

Qualities Associated

Protection
Creativity

Fire Agate Vs Sillimanite Fracture

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

Fire Agate Vs Sillimanite Luster

A primary knowledge about Fire Agate 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. Fire Agate exhibits Waxy, Vitreous, Greasy and Silky luster. Sillimanite, on other hand, exhibits Vitreous, Subadamantine and Silky luster.