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Biotite
Biotite

Kyanite
Kyanite



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Biotite
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Kyanite

Biotite Vs Kyanite

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Astrology

Origin

-
Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma

Color

Brown, Yellow, White, Greenish
Blue, Yellow, Colorless, White, gray, Green, Black

Streak

White, gray
White

For which Rashi?

-
Aries, Libra, Taurus

Planet

-
Jupiter

Element of Planets

-
Water

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
Love

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

2.7-3.33.53-3.65
1 7.18
👆🏻

Fracture

Uneven, Even
Splintery

Cleavage

Perfect on the {001}
[100] perfect [010] imperfect with 79° angle between

Mohs Hardness

2.5-3.04-7
2 10
👆🏻

Chemical Composition

K(Mg,Fe++)3[AlSi3O10(OH,F)2
Al2SiO5

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Pearly

Pleochroism

Strong
Trichroic

Dispersion

-0.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.565-1.6251.71-1.74
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Triclinic

Birefringence

0.03-0.07-9999
0 0.296
👆🏻

Clarity

-
-

Benefits

Physical

Neurological

Enhances mental clarity and focus
Enhances mental clarity and focus

Cardiovascular

-
Supports heart health

Respiratory

Good
Good

Reproductive

-
Supports reproductive health

Digestive

-
-

Psychology

Grounding
Inner bridges

Healing

Emotional healing
Physical healing

Qualities Associated

Grounding
Inner Peace

Biotite Vs Kyanite Fracture

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

Biotite Vs Kyanite Luster

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