×

Pumpellyite
Pumpellyite

Sillimanite
Sillimanite



ADD
Compare
X
Pumpellyite
X
Sillimanite

Pumpellyite Vs Sillimanite

Astrology

Origin

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

Color

Green
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

3.20-3.303.20-3.26
1 7.18
👆🏻

Fracture

-
Splintery

Cleavage

Perfect
{010} perfect

Mohs Hardness

5-66-7.5
2 10
👆🏻

Chemical Composition

Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

-
Vitreous, Subadamantine, Silky

Pleochroism

-
Colourless to pale brown to yellow

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.674-1.7641.653-1.685
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.014-0.0160.020-0.022
0 0.296
👆🏻

Clarity

OpaqueUlrich Henn and Claudio C. Milisenda
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

-
Creativity

Healing

Emotional healing
Emotional healing

Qualities Associated

Emotional Healing
Creativity

Pumpellyite Vs Sillimanite Fracture

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

Pumpellyite Vs Sillimanite Luster

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