Ettringite

Biotite

Ettringite Vs Biotite

Ettringite

Biotite

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Astrology

Origin

Southern and central Africa

Color

Colorless, Yellow, White

Brown, Yellow, White, Greenish

Streak

White

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

Partially soluble in water

Durability

Specific Gravity

1.772.7-3.3

1 7.18

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Fracture

Uneven, Even

Cleavage

Perfect on {10 1 0}

Perfect on the {001}

Mohs Hardness

2-2.52.5-3.0

2 10

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Chemical Composition

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Optical Properties

Luster

Vitreous

Vitreous, Pearly

Pleochroism

Strong

Dispersion

0.04-

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.470-1.4911.565-1.625

1 3.25

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Optic Character

Crystal System

Trigonal

monoclinic

Birefringence

0.0210.03-0.07

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Adaptability

Grounding

Healing

Emotional healing

Qualities Associated

Balance

Grounding

Ettringite Vs Biotite Fracture

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

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Ettringite Vs Biotite Luster

A primary knowledge about Ettringite 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. Ettringite exhibits Vitreous luster. Biotite, on other hand, exhibits Vitreous and Pearly luster.