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Cordierite
Cordierite

Iolite
Iolite



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Cordierite
X
Iolite

Cordierite Vs Iolite

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Astrology

Origin

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

Color

Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Blue, Violet, Yellow, Grey

Streak

White
-

For which Rashi?

-
Libra, Sagittarius, Taurus

Planet

-
Jupiter

Element of Planets

-
Water

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.57-2.662.6-2.7
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
-

Cleavage

Fair on {100}, poor on {001} and {010}
3,1

Mohs Hardness

7-7.57-7.5
2 10
👆🏻

Chemical Composition

Mg2Al4Si5O18
Mg2Al4Si5O18

Optical Properties

Luster

Greasy, Vitreous
Vitreous

Pleochroism

X = pale yellow
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

-99991.52-1.56
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
Transparent to translucent

Benefits

Physical

Neurological

Supports healthy digestion
Enhances mental clarity and focus

Cardiovascular

-
Supports heart health

Respiratory

Good
Excellent

Reproductive

-
-

Digestive

-
Supports digestive health

Psychology

Intuition
Intuition

Healing

Emotional healing
Emotional healing

Qualities Associated

Psychic Abilities
Intuition

Cordierite Vs Iolite Fracture

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

Cordierite Vs Iolite Luster

A primary knowledge about Cordierite vs Iolite 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. Cordierite exhibits Greasy and Vitreous luster. Iolite, on other hand, exhibits Vitreous luster.