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Iolite
Iolite

Biotite
Biotite



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Iolite
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Biotite

Iolite Vs Biotite

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Astrology

Origin

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

Color

Blue, Violet, Yellow, Grey
Brown, Yellow, White, Greenish

Streak

-
White, gray

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

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

2.6-2.72.7-3.3
1 7.18
👆🏻

Fracture

-
Uneven, Even

Cleavage

3,1
Perfect on the {001}

Mohs Hardness

7-7.52.5-3.0
2 10
👆🏻

Chemical Composition

Mg2Al4Si5O18
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

-
Strong

Dispersion

0.02-
0.005 1
👆🏻

Transparency

Transparent, Translucent, Transparent to translucent
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Refractive Index

1.52-1.561.565-1.625
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

-99990.03-0.07
0 0.296
👆🏻

Clarity

Transparent to translucent
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Benefits

Physical

Neurological

Enhances mental clarity and focus
Enhances mental clarity and focus

Cardiovascular

Supports heart health
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Respiratory

Excellent
Good

Reproductive

-
-

Digestive

Supports digestive health
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Psychology

Intuition
Grounding

Healing

Emotional healing
Emotional healing

Qualities Associated

Intuition
Grounding

Iolite Vs Biotite Fracture

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

Iolite Vs Biotite Luster

A primary knowledge about Iolite vs Biotite 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. Biotite, on other hand, exhibits Vitreous and Pearly luster.