Biotite

Amethyst

Biotite Vs Amethyst

Biotite

Amethyst

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Astrology

Origin

USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, East Africa, Namibia, Brazil

Color

Brown, Yellow, White, Greenish

Violet, White, Colorless, Blue, Red, Green, Yellow, pink

Streak

White, gray

White

For which Rashi?

Pisces, Scorpio, Sagittarius

Planet

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Diana

Not to wear with

Powers

Love, Courage

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

insoluble in common solvents

Durability

Specific Gravity

2.7-3.32.65

1 7.18

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Fracture

Uneven, Even

Conchoidal, ConchoidalWalter Schumann

Cleavage

Perfect on the {001}

Indiscernible

Mohs Hardness

2.5-3.07

2 10

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Chemical Composition

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

SiO₂

Optical Properties

Luster

Vitreous, Pearly

Vitreous

Pleochroism

Strong

None

Dispersion

-0.01

0.005 1

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Transparency

Transparent, Transparent to translucent

Refractive Index

1.565-1.6251.544-1.553

1 3.25

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Optic Character

Crystal System

monoclinic

Trigonal

Birefringence

0.03-0.070.009

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Supports reproductive health

Digestive

Supports digestive health

Psychology

Grounding

Calming

Healing

Emotional healing

Qualities Associated

Grounding

Spirituality

Biotite Vs Amethyst Fracture

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

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Biotite Vs Amethyst Luster

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