Sillimanite

Aegirine

Sillimanite Vs Aegirine

Sillimanite

Aegirine

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Astrology

Origin

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

Canada, Russia, Kenya, Brazil, Norway

Color

Blue, Green, Brownish, Greenish, Colorless, gray

Green, Greenish, Black, Reddish, Brown

Streak

White

Yellow, Yellowish-grey, gray

For which Rashi?

Pisces

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Healing

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Tough

Brittle

Solubility

Durability

Specific Gravity

3.20-3.263.50-3.60

1 7.18

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Fracture

Splintery

Uneven

Cleavage

{010} perfect

Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}

Mohs Hardness

6-7.56

2 10

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Chemical Composition

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

(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Vitreous, Resinous

Pleochroism

Colourless to pale brown to yellow

Emerald green

Dispersion

0.020.01

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.653-1.6851.720-1.778

1 3.25

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Optic Character

Crystal System

Orthorhombic

monoclinic

Birefringence

0.020-0.0220.037-0.061

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Supports heart health

Reproductive

Supports heart health

Digestive

Supports heart health

Psychology

Creativity

Protection

Healing

Emotional healing

Physical healing

Qualities Associated

Creativity

Protection

Sillimanite Vs Aegirine Fracture

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

Compare Blue Gemstones

Sillimanite Vs Tortoiseshell

Sillimanite Vs Verdite

Sillimanite Vs Violane

Sillimanite Vs Aegirine Luster

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