Scapolite

Sillimanite

Scapolite Vs Sillimanite

Scapolite

Sillimanite

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Astrology

Origin

Canada, Brazil, Kenya, Tanzania, Madagascar, Burma, Afghanistan

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

Color

Violet, White, gray, Brown, pink, Yellow

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

2.58-2.743.20-3.26

1 7.18

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Fracture

ConchoidalWalter Schumann, Splintery

Splintery

Cleavage

{100} Distinct, {110} Distinct

{010} perfect

Mohs Hardness

5.5-66-7.5

2 10

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Chemical Composition

Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references

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

Optical Properties

Luster

Vitreous, Subadamantine, Silky

Pleochroism

Colourless to pale brown to yellow

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.540-1.5791.653-1.685

1 3.25

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Optic Character

Crystal System

tetragonal

Orthorhombic

Birefringence

0.006-0.0370.020-0.022

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

Creativity

Healing

Emotional healing

Qualities Associated

Problem Solving & Creativity

Creativity

Scapolite Vs Sillimanite Fracture

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

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Scapolite Vs Sillimanite Luster

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