Ettringite

Vivianite

Ettringite Vs Vivianite

Ettringite

Vivianite

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Astrology

Origin

Southern and central Africa

Color

Colorless, Yellow, White

Blue, Green, Colorless

Streak

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

1.772.64-2.70

1 7.18

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Fracture

Cleavage

Perfect on {10 1 0}

{010} Perfect

Mohs Hardness

2-2.5-9999

2 10

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Chemical Composition

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

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous

Vitreous, Pearly

Pleochroism

Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue

Dispersion

0.040.03

0.005 1

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Transparency

Transparent, Translucent

Transparent

Refractive Index

1.470-1.4911.560-1.640

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

0.0210.054-0.075

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Adaptability

Hope

Healing

Emotional healing

Qualities Associated

Balance

Transformation

Ettringite Vs Vivianite Fracture

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

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Ettringite Vs Vivianite Luster

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