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Diaspore
Diaspore

Sillimanite
Sillimanite



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Diaspore
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Sillimanite

Diaspore Vs Sillimanite

Astrology

Origin

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

Color

Colorless, White, Yellow, Greenish, gray, Brown
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

Very brittle
Tough

Solubility

insoluble
-

Durability

-
-

Specific Gravity

3.30-3.403.20-3.26
1 7.18
👆🏻

Fracture

Conchoidal
Splintery

Cleavage

{010} perfect, {110} distinct, {100} in traces
{010} perfect

Mohs Hardness

6.5-76-7.5
2 10
👆🏻

Chemical Composition

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Pearly
Vitreous, Subadamantine, Silky

Pleochroism

Strong
Colourless to pale brown to yellow

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.702-1.7501.653-1.685
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.0480.020-0.022
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

Supports heart health
-

Respiratory

-
Good

Reproductive

-
-

Digestive

-
-

Psychology

Transformation
Creativity

Healing

Emotional healing
Emotional healing

Qualities Associated

Change
Creativity

Diaspore Vs Sillimanite Fracture

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

Diaspore Vs Sillimanite Luster

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