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Iolite
Iolite

Hercynite
Hercynite



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Iolite
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Hercynite

Iolite Vs Hercynite

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Astrology

Origin

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

Color

Blue, Violet, Yellow, Grey
Yellow, Black

Streak

-
Green

For which Rashi?

Libra, Sagittarius, Taurus
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Planet

Jupiter
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Element of Planets

Water
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Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.6-2.74.39
1 7.18
👆🏻

Fracture

-
Uneven

Cleavage

3,1
{111} Indistinct, {111} Indistinct, {111} Indistinct

Mohs Hardness

7-7.57.5-8
2 10
👆🏻

Chemical Composition

Mg2Al4Si5O18
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
-

Dispersion

0.020.03
0.005 1
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Transparency

Transparent, Translucent, Transparent to translucent
Translucent

Refractive Index

1.52-1.561.80-1.83
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m

Birefringence

-9999-9999
0 0.296
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Clarity

Transparent to translucent
Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus
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Cardiovascular

Supports heart health
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Respiratory

Excellent
Good

Reproductive

-
-

Digestive

Supports digestive health
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Psychology

Intuition
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Healing

Emotional healing
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Qualities Associated

Intuition
Balance

Iolite Vs Hercynite Fracture

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

Iolite Vs Hercynite Luster

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