Povondraite

Ettringite

Povondraite Vs Ettringite

Povondraite

Ettringite

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Astrology

Origin

Southern and central Africa

Color

Brownish, Black

Colorless, Yellow, White

Streak

Brown

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

3.261.77

1 7.18

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Fracture

Uneven

Cleavage

None

Perfect on {10 1 0}

Mohs Hardness

-99992-2.5

2 10

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Chemical Composition

NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

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

Optical Properties

Luster

Resinous

Vitreous

Pleochroism

Strong: yellow-brown

Dispersion

0.020.04

0.005 1

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Transparency

Translucent

Transparent, Translucent

Refractive Index

-99991.470-1.491

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

-99990.021

0 0.296

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Clarity

Translucent

Transparent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Reproductive

Digestive

Psychology

Adaptability

Healing

Emotional healing

Qualities Associated

Protection

Balance

Povondraite Vs Ettringite Fracture

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

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Povondraite Vs Ettringite Luster

A primary knowledge about Povondraite 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. Povondraite exhibits Resinous luster. Ettringite, on other hand, exhibits Vitreous luster.