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Iolite
Iolite

Marcasite
Marcasite



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Iolite
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Marcasite

Iolite Vs Marcasite

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Astrology

Origin

Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma
Southern and central Africa

Color

Blue, Violet, Yellow, Grey
Yellow, White

Streak

-
gray, Brownish, Black

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

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.6-2.74.80-4.90
1 7.18
👆🏻

Fracture

-
Uneven

Cleavage

3,1
{010} Indistinct

Mohs Hardness

7-7.56-6.5
2 10
👆🏻

Chemical Composition

Mg2Al4Si5O18
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous
-

Pleochroism

-
-

Dispersion

0.020.05
0.005 1
👆🏻

Transparency

Transparent, Translucent, Transparent to translucent
-

Refractive Index

1.52-1.56-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent to translucent
-

Benefits

Physical

Neurological

Enhances mental clarity and focus
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Cardiovascular

Supports heart health
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Respiratory

Excellent
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Reproductive

-
-

Digestive

Supports digestive health
-

Psychology

Intuition
Protection

Healing

Emotional healing
-

Qualities Associated

Intuition
Protection

Iolite Vs Marcasite Fracture

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

Iolite Vs Marcasite Luster

A primary knowledge about Iolite vs Marcasite 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.