Biotite

Verdelite

Biotite Vs Verdelite

Biotite

Verdelite

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Astrology

Origin

Afghanistan, Brazil, Mozambique, Sri Lanka, USA

Color

Brown, Yellow, White, Greenish

Green, Brown

Streak

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

2.7-3.32.90-3.40

1 7.18

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Fracture

Uneven, Even

Conchoidal

Cleavage

Perfect on the {001}

Indiscernible

Mohs Hardness

2.5-3.07-7.5

2 10

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Chemical Composition

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

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Optical Properties

Luster

Vitreous, Pearly

Pleochroism

Strong

Strong: dark green yellow

Dispersion

-0.02

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.565-1.6251.614-1.666

1 3.25

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Optic Character

Crystal System

monoclinic

Birefringence

0.03-0.070.014-0.040

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Grounding

Compassion

Healing

Emotional healing

Qualities Associated

Grounding

Compassion

Biotite Vs Verdelite Fracture

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

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Biotite Vs Verdelite Luster

A primary knowledge about Biotite vs Verdelite 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.