Kyanite

Sugilite

Kyanite Vs Sugilite

Kyanite

Sugilite

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Astrology

Origin

Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma

Canada, Southern and central Africa, Italy, Australia, India

Color

Blue, Yellow, Colorless, White, gray, Green, Black

Violet, Brownish, Yellow, Reddish, Pale pink

Streak

White

For which Rashi?

Aries, Libra, Taurus

Virgo

Planet

Jupiter

Mercury, Jupiter

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Love

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.53-3.652.69-2.79

1 7.18

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Fracture

Splintery

Conchoidal

Cleavage

[100] perfect [010] imperfect with 79° angle between

Poor on {0001}

Mohs Hardness

4-75.5-6.5

2 10

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Chemical Composition

Al2SiO5

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

Trichroic

Weak

Dispersion

0.020.02

0.005 1

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Transparency

Translucent

Refractive Index

1.71-1.741.607-1.612

1 3.25

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Optic Character

Crystal System

Triclinic

Hexagonal

Birefringence

-99990.003

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Excellent

Reproductive

Supports reproductive health

Digestive

Psychology

Inner bridges

Spirituality

Healing

Physical healing

Emotional healing

Qualities Associated

Inner Peace

Spiritual Protection

Kyanite Vs Sugilite Fracture

Fracture is an important parameter when you compare Kyanite and Sugilite Physical Properties. It is necessary to understand the significance of these properties, before you compare Kyanite Vs Sugilite 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 Kyanite is Splintery. Sugilite fracture is Conchoidal.

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Kyanite Vs Sugilite Luster

A primary knowledge about Kyanite vs Sugilite 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. Kyanite exhibits Vitreous and Pearly luster. Sugilite, on other hand, exhibits Vitreous luster.