Biotite

Kornerupine

Biotite Vs Kornerupine

Biotite

Kornerupine

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Astrology

Origin

Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia

Color

Brown, Yellow, White, Greenish

Green, Brown, Colorless, Greenish, Yellow

Streak

White, gray

White

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.7-3.33.25-3.45

1 7.18

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Fracture

Uneven, Even

Conchoidal, Uneven

Cleavage

Perfect on the {001}

Good on {110}

Mohs Hardness

2.5-3.06.5

2 10

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Chemical Composition

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

Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

Strong

X = colorless to green; Y = colorless

Dispersion

-0.02

0.005 1

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Transparency

Refractive Index

1.565-1.6251.660-1.685

1 3.25

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Optic Character

Crystal System

monoclinic

Orthorhombic

Birefringence

0.03-0.070.012-0.017

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Grounding

Harmony

Healing

Emotional healing

Qualities Associated

Grounding

Self-worth

Biotite Vs Kornerupine Fracture

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

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Biotite Vs Kornerupine Luster

A primary knowledge about Biotite vs Kornerupine 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. Kornerupine, on other hand, exhibits Vitreous luster.