Euclase

Sillimanite

Euclase Vs Sillimanite

Euclase

Sillimanite

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Astrology

Origin

Brazil, Colombia, Southern and central Africa

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

Color

Greenish, Blue, Colorless, White, Green

Blue, Green, Brownish, Greenish, Colorless, gray

Streak

White

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Tough

Solubility

Durability

Specific Gravity

3.08-3.123.20-3.26

1 7.18

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Fracture

ConchoidalWalter Schumann

Splintery

Cleavage

{010} Perfect

{010} perfect

Mohs Hardness

7.56-7.5

2 10

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Chemical Composition

BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Optical Properties

Luster

Vitreous

Vitreous, Subadamantine, Silky

Pleochroism

Weak: colorless-(greenish) yellow

Colourless to pale brown to yellow

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.650-1.6771.653-1.685

1 3.25

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Optic Character

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

Orthorhombic

Birefringence

0.019-0.0250.020-0.022

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Harmony

Creativity

Healing

Emotional healing

Qualities Associated

Communication

Creativity

Euclase Vs Sillimanite Fracture

Fracture is an important parameter when you compare Euclase and Sillimanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Euclase 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 Euclase is ConchoidalWalter Schumann. Sillimanite fracture is Splintery.

Compare Green Gemstones

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Euclase Vs Glass

Euclase Vs Sillimanite Luster

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