Biotite

Coral

Biotite Vs Coral

Biotite

Coral

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Astrology

Origin

Southern and central Africa

Color

Brown, Yellow, White, Greenish

White, Blue

Streak

White, gray

For which Rashi?

Pisces

Planet

Neptune

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Venus

Not to wear with

Powers

Healing, Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.7-3.32.60-2.70

1 7.18

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Fracture

Uneven, Even

Irregular

Cleavage

Perfect on the {001}

None

Mohs Hardness

2.5-3.03-4

2 10

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Chemical Composition

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

CaCO 3Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous, Pearly

Pleochroism

Strong

Dispersion

-0.03

0.005 1

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Transparency

Translucent

Refractive Index

1.565-1.6251.486-1.658

1 3.25

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Optic Character

Crystal System

monoclinic

Trigonal

Birefringence

0.03-0.070.160-0.172

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Enhances intuition and psychic abilities

Respiratory

Good

Reproductive

Digestive

Psychology

Grounding

Emotional balance

Healing

Emotional healing

Qualities Associated

Grounding

Emotional Balance

Biotite Vs Coral Fracture

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

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Biotite Vs Coral Luster

A primary knowledge about Biotite vs Coral 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.