Ettringite

Hercynite

Ettringite Vs Hercynite

Ettringite

Hercynite

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Astrology

Origin

Southern and central Africa

Color

Colorless, Yellow, White

Yellow, Black

Streak

White

Green

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

Solubility

Partially soluble in water

Durability

Specific Gravity

1.774.39

1 7.18

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Fracture

Uneven

Cleavage

Perfect on {10 1 0}

{111} Indistinct, {111} Indistinct, {111} Indistinct

Mohs Hardness

2-2.57.5-8

2 10

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Chemical Composition

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

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Optical Properties

Luster

Vitreous

Pleochroism

Dispersion

0.040.03

0.005 1

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Transparency

Transparent, Translucent

Translucent

Refractive Index

1.470-1.4911.80-1.83

1 3.25

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Optic Character

Crystal System

Trigonal

Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m

Birefringence

0.021-9999

0 0.296

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Clarity

Transparent

Translucent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Adaptability

Healing

Emotional healing

Qualities Associated

Balance

Ettringite Vs Hercynite Fracture

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

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Ettringite Vs Hercynite Luster

A primary knowledge about Ettringite vs Hercynite 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. Hercynite, on other hand, exhibits Vitreous luster.