Rutile

Sillimanite

Rutile Vs Sillimanite

Rutile

Sillimanite

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1 Astrology

1.1 Origin

Brazil, Southern and central Africa, Sri Lanka

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

1.2 Color

Red, gray

Blue, Green, Brownish, Greenish, Colorless, gray

1.3 Streak

Red, 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

Insoluble in acids

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

4.20-4.303.20-3.26

1 7.18

2.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Splintery

2.6 Cleavage

{110} good, 100 moderate, parting on {092} and {011}

{010} perfect

2.7 Mohs Hardness

6-6.56-7.5

2 10

2.8 Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

3 Optical Properties

3.1 Luster

Adamantine

Vitreous, Subadamantine, Silky

3.2 Pleochroism

Weak to distinct brownish red-green-yellow

Colourless to pale brown to yellow

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent, Translucent

3.5 Refractive Index

2.609-2.9031.653-1.685

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

tetragonal

Orthorhombic

3.8 Birefringence

0.2960.020-0.022

0 0.296

3.9 Clarity

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

Rutile Vs Sillimanite Fracture

Fracture is an important parameter when you compare Rutile and Sillimanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Rutile 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 Rutile is ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Sillimanite fracture is Splintery.

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Rutile Vs Sillimanite Luster

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