Powellite

Biotite

Powellite Vs Biotite

Powellite

Biotite

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Astrology

Origin

India

Color

Yellow, Greenish, Blue, Brown, Green, gray

Brown, Yellow, White, Greenish

Streak

Yellow

White, gray

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

4.232.7-3.3

1 7.18

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Fracture

Conchoidal

Uneven, Even

Cleavage

{111} Distinct

Perfect on the {001}

Mohs Hardness

3.5-42.5-3.0

2 10

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Chemical Composition

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Optical Properties

Luster

Greasy, Subadamantine

Vitreous, Pearly

Pleochroism

In deeply colored specimens: blue greenAnthony et al

Strong

Dispersion

0.03-

0.005 1

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Transparency

Transparent

Refractive Index

1.974-1.9841.565-1.625

1 3.25

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Optic Character

Crystal System

monoclinic

Birefringence

-99990.03-0.07

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Grounding

Healing

Emotional healing

Qualities Associated

Vitality

Grounding

Powellite Vs Biotite Fracture

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

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Powellite Vs Biotite Luster

A primary knowledge about Powellite 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. Powellite exhibits Greasy and Subadamantine luster. Biotite, on other hand, exhibits Vitreous and Pearly luster.