Verdite

Sillimanite

Verdite Vs Sillimanite

Verdite

Sillimanite

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1 Astrology

1.1 Origin

Southern and central Africa

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

1.2 Color

Green, Yellow, Red, Blue

Blue, Green, Brownish, Greenish, Colorless, gray

1.3 Streak

Black

White

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

Tough

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.80-3.03.20-3.26

1 7.18

2.5 Fracture

Not Available

Splintery

2.6 Cleavage

{110} Good

{010} perfect

2.7 Mohs Hardness

36-7.5

2 10

2.8 Chemical Composition

NaFeS2•2(H2O)

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

3 Optical Properties

3.1 Luster

Vitreous, Silky

Vitreous, Subadamantine, Silky

3.2 Pleochroism

Extreme

Colourless to pale brown to yellow

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Translucent

Transparent, Translucent

3.5 Refractive Index

1.5801.653-1.685

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Orthorhombic

3.8 Birefringence

Not Available0.020-0.022

0 0.296

3.9 Clarity

Translucent

Transparent

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Verdite Vs Sillimanite Fracture

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

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Verdite Vs Sillimanite Luster

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