Sillimanite

Shattuckite

Sillimanite Vs Shattuckite

Sillimanite

Shattuckite

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1 Astrology

1.1 Origin

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

the type locality

1.2 Color

Blue, Green, Brownish, Greenish, Colorless, gray

Blue, Green

1.3 Streak

White

Blue

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

Tough

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.20-3.263.80-4.15

1 7.18

2.5 Fracture

Splintery

Uneven, UnevenArthur Thomas, Gemstones (2009)

2.6 Cleavage

{010} perfect

perfect along [010] and [100]

2.7 Mohs Hardness

6-7.53.5-4

2 10

2.8 Chemical Composition

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

Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

3 Optical Properties

3.1 Luster

Vitreous, Subadamantine, Silky

Silky

3.2 Pleochroism

Colourless to pale brown to yellow

X = very pale blue; Y = pale blue; Z = deep blue

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent, Translucent

Translucent

3.5 Refractive Index

1.653-1.6851.752-1.815

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

3.8 Birefringence

0.020-0.0220.063

0 0.296

3.9 Clarity

Transparent

Translucent

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 Shattuckite Fracture

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

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Sillimanite Vs Shattuckite Luster

A primary knowledge about Sillimanite vs Shattuckite 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. Shattuckite, on other hand, exhibits Silky luster.