Cordierite

Antigorite

Cordierite Vs Antigorite

Cordierite

Antigorite

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Astrology

Origin

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

Italy

Color

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

Green, gray, Brown, Black

Streak

White

Greenish, 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

2.57-2.662.58-2.80

1 7.18

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Fracture

Subconchoidal, Conchoidal

Conchoidal

Cleavage

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

{001} Good

Mohs Hardness

7-7.55-5.5

2 10

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Chemical Composition

Mg2Al4Si5O18

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Optical Properties

Luster

Greasy, Vitreous

Waxy, Silky, Resinous, Greasy

Pleochroism

X = pale yellow

pale greenish yellow

Dispersion

0.010.02

0.005 1

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Transparency

Translucent

Refractive Index

-99991.530-1.575

1 3.25

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Optic Character

Crystal System

Orthorhombic

Monoclinic Domatic H-M Symbol (m) Space Group: Cm

Birefringence

-9999-9999

0 0.296

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Clarity

Translucent

Benefits

Physical

Neurological

Supports healthy digestion

Supports neurological health

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Intuition

Harmony

Healing

Emotional healing

Qualities Associated

Psychic Abilities

Emotional Healing

Cordierite Vs Antigorite Fracture

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

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Cordierite Vs Antigorite Luster

A primary knowledge about Cordierite vs Antigorite 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. Antigorite, on other hand, exhibits Waxy, Silky, Resinous and Greasy luster.