Sillimanite

Aragonite

Sillimanite Vs Aragonite

Sillimanite

Aragonite

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1 Astrology

1.1 Origin

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

Canada, Pakistan

1.2 Color

Blue, Green, Brownish, Greenish, Colorless, gray

Reddish, Greenish, White, Red, Yellow, Green, Grey, Blue, Brown, Colorless, White, gray, Reddish, orange

1.3 Streak

White

1.4 For which Rashi?

Not Available

Virgo, Capricorn, Virgo, Capricorn, Virgo, Capricorn

1.5 Planet

Not Available

Sun

1.6 Element of Planets

Not Available

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Projective, Receptive

1.9 Deities

Not Available

Goddess

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Protection

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

Dilute acid

2.3 Durability

Not Available

2.4 Specific Gravity

3.20-3.262.93-2.96

1 7.18

2.5 Fracture

Splintery

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

2.6 Cleavage

{010} perfect

Distinct on {010}, imperfect {110} and {011}

2.7 Mohs Hardness

6-7.53.5-4

2 10

2.8 Chemical Composition

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

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

3 Optical Properties

3.1 Luster

Vitreous, Subadamantine, Silky

Vitreous, Resinous

3.2 Pleochroism

Colourless to pale brown to yellow

StrongArthur Thomas

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent, Translucent

3.5 Refractive Index

1.653-1.6851.525-1.686

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

3.8 Birefringence

0.020-0.0220.155

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

Sillimanite Vs Aragonite Fracture

Fracture is an important parameter when you compare Sillimanite and Aragonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sillimanite Vs Aragonite 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. Aragonite fracture is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal.

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Sillimanite Vs Aragonite Luster

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