Hercynite

Ettringite

Hercynite Vs Ettringite

Hercynite

Ettringite

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Astrology

Origin

Southern and central Africa

Color

Yellow, Black

Colorless, Yellow, White

Streak

Green

White

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

4.391.77

1 7.18

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Fracture

Uneven

Cleavage

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

Perfect on {10 1 0}

Mohs Hardness

7.5-82-2.5

2 10

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Chemical Composition

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

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

Optical Properties

Luster

Vitreous

Pleochroism

Dispersion

0.030.04

0.005 1

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Transparency

Translucent

Transparent, Translucent

Refractive Index

1.80-1.831.470-1.491

1 3.25

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Optic Character

Crystal System

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

Trigonal

Birefringence

-99990.021

0 0.296

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Clarity

Translucent

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Adaptability

Healing

Emotional healing

Qualities Associated

Balance

Hercynite Vs Ettringite Fracture

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

Compare Yellow Gemstones

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Hercynite Vs Ettringite Luster

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