Biotite

Scheelite

Biotite Vs Scheelite

Biotite

Scheelite

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Astrology

Origin

Switzerland, Australia, Brazil

Color

Brown, Yellow, White, Greenish

Yellow, Colorless, White, Brownish, Reddish

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

2.7-3.35.9-6.3

1 7.18

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Fracture

Uneven, Even

Conchoidal, Uneven

Cleavage

Perfect on the {001}

On {101}, distinct; on {112}, interrupted; on {001}, indistinct

Mohs Hardness

2.5-3.04.5-5

2 10

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Chemical Composition

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

CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Pearly

Vitreous, Adamantine

Pleochroism

Strong

Definite dichoric in yellow (yellow to orange-brown)

Dispersion

-0.04

0.005 1

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Transparency

Translucent, Transparent

Refractive Index

1.565-1.6251.918-1.936

1 3.25

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Optic Character

Crystal System

monoclinic

tetragonal

Birefringence

0.03-0.070.016

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Grounding

Awareness

Healing

Emotional healing

Physical healing

Qualities Associated

Grounding

Balance & Clarity

Biotite Vs Scheelite Fracture

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

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Biotite Vs Scheelite Luster

A primary knowledge about Biotite vs Scheelite 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. Scheelite, on other hand, exhibits Vitreous and Adamantine luster.