Sillimanite

Vanadinite

Sillimanite Vs Vanadinite

Sillimanite

Vanadinite

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1 Astrology

1.1 Origin

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

Mexico

1.2 Color

Blue, Green, Brownish, Greenish, Colorless, gray

Red, Brown, Yellow, Grey, Colorless, Brownish

1.3 Streak

White

Brownish, Yellow

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

Water

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

Tough

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.20-3.266.8-7.1

1 7.18

2.5 Fracture

Splintery

Uneven, Conchoidal, Brittle

2.6 Cleavage

{010} perfect

None

2.7 Mohs Hardness

6-7.53-4

2 10

2.8 Chemical Composition

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

C20H36

3 Optical Properties

3.1 Luster

Vitreous, Subadamantine, Silky

Resinous

3.2 Pleochroism

Colourless to pale brown to yellow

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent, Translucent

Not Available

3.5 Refractive Index

1.653-1.6852.416

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

Hexagonal

3.8 Birefringence

0.020-0.0220.066

0 0.296

3.9 Clarity

Transparent

Not Available

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

Sillimanite Vs Vanadinite Fracture

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

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Sillimanite Vs Vanadinite Luster

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