Iolite

Sugilite

Iolite Vs Sugilite

Iolite

Sugilite

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Astrology

Origin

Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma

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

Color

Blue, Violet, Yellow, Grey

Violet, Brownish, Yellow, Reddish, Pale pink

Streak

White

For which Rashi?

Libra, Sagittarius, Taurus

Virgo

Planet

Jupiter

Mercury, Jupiter

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.6-2.72.69-2.79

1 7.18

👆🏻

Fracture

Conchoidal

Cleavage

3,1

Poor on {0001}

Mohs Hardness

7-7.55.5-6.5

2 10

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Chemical Composition

Mg₂Al₄Si₅O₁₈

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

Optical Properties

Luster

Vitreous

Pleochroism

Weak

Dispersion

0.020.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Translucent

Refractive Index

1.52-1.561.607-1.612

1 3.25

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Optic Character

Crystal System

Orthorhombic

Hexagonal

Birefringence

-99990.003

0 0.296

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Clarity

Transparent to translucent

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Excellent

Reproductive

Digestive

Supports digestive health

Psychology

Intuition

Spirituality

Healing

Emotional healing

Qualities Associated

Intuition

Spiritual Protection

Iolite Vs Sugilite Fracture

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

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Iolite Vs Sugilite Luster

A primary knowledge about Iolite 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. Iolite exhibits Vitreous luster. Sugilite, on other hand, exhibits Vitreous luster.