Cordierite

Vivianite

Cordierite Vs Vivianite

Cordierite

Vivianite

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Astrology

Origin

Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania

Southern and central Africa

Color

Blue, Violet, Greenish, Brown, Colorless, Yellow, gray

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

Brittle

Solubility

Durability

Specific Gravity

2.57-2.662.64-2.70

1 7.18

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Fracture

Subconchoidal, Conchoidal

Cleavage

Fair on {100}, poor on {001} and {010}

{010} Perfect

Mohs Hardness

7-7.5-9999

2 10

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Chemical Composition

Mg2Al4Si5O18

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

Optical Properties

Luster

Greasy, Vitreous

Vitreous, Pearly

Pleochroism

X = pale yellow

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

Dispersion

0.010.03

0.005 1

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Transparency

Transparent

Refractive Index

-99991.560-1.640

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

-99990.054-0.075

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Supports healthy digestion

Enhances mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Intuition

Hope

Healing

Emotional healing

Qualities Associated

Psychic Abilities

Transformation

Cordierite Vs Vivianite Fracture

Fracture is an important parameter when you compare Cordierite and Vivianite Physical Properties. It is necessary to understand the significance of these properties, before you compare Cordierite 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. Fracture observed in Cordierite is Subconchoidal and Conchoidal.

Compare Blue Gemstones

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Cordierite Vs Vivianite Luster

A primary knowledge about Cordierite 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. Cordierite exhibits Greasy and Vitreous luster. Vivianite, on other hand, exhibits Vitreous and Pearly luster.