Prehnite

Cordierite

Prehnite Vs Cordierite

Prehnite

Cordierite

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Astrology

Origin

Australia, Southern and central Africa, France

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

Color

Green, Colorless, gray, Yellow, White

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

Streak

Colorless

White

For which Rashi?

Libra

Planet

Venus

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Freya

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.80-2.952.57-2.66

1 7.18

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Fracture

Uneven

Subconchoidal, Conchoidal

Cleavage

Distinct on [001]

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

Mohs Hardness

6-6.57-7.5

2 10

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Chemical Composition

Ca₂Al₂Si₃O₁₂(OH)

Mg2Al4Si5O18

Optical Properties

Luster

Vitreous

Greasy, Vitreous

Pleochroism

X = pale yellow

Dispersion

0.010.01

0.005 1

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Transparency

Translucent

Refractive Index

1.611-1.673-9999

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

0.021-0.033-9999

0 0.296

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Clarity

TranslucentHerve Nicolas Lazzarelli

Benefits

Physical

Neurological

Enhances mental clarity and focus

Supports healthy digestion

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Harmony

Intuition

Healing

Physical healing

Emotional healing

Qualities Associated

Harmony

Psychic Abilities

Prehnite Vs Cordierite Fracture

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

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Prehnite Vs Cordierite Luster

A primary knowledge about Prehnite vs Cordierite 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. Prehnite exhibits Vitreous luster. Cordierite, on other hand, exhibits Greasy and Vitreous luster.