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Thomsonite
Thomsonite

Sillimanite
Sillimanite



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Thomsonite
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Sillimanite

Thomsonite Vs Sillimanite

Astrology

Origin

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

Color

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

Streak

White
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

2.25-2.403.20-3.26
1 7.18
👆🏻

Fracture

-
Splintery

Cleavage

perfect on {010}; good on {100}
{010} perfect

Mohs Hardness

5-5.56-7.5
2 10
👆🏻

Chemical Composition

NaCa 2Al 5Si 5O 20 · 6H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Subadamantine, Silky

Pleochroism

-
Colourless to pale brown to yellow

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.510-1.5501.653-1.685
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.015-0.0200.020-0.022
0 0.296
👆🏻

Clarity

Translucent
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

-
Good

Reproductive

-
-

Digestive

-
-

Psychology

-
Creativity

Healing

Emotional healing
Emotional healing

Qualities Associated

Awareness
Creativity

Thomsonite Vs Sillimanite Fracture

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

Thomsonite Vs Sillimanite Luster

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