Obsidian

Cordierite

Obsidian Vs Cordierite

Obsidian

Cordierite

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Astrology

Origin

Australia, Canada, Guatemala, Italy, Kenya, Mexico, Turkey

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

Color

Brown, Green

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

Streak

White

For which Rashi?

Sagittarius

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Itzpapalotl

Not to wear with

Powers

Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.35-2.602.57-2.66

1 7.18

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Fracture

Conchoidal, ConchoidalWalter Schumann

Subconchoidal, Conchoidal

Cleavage

None

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

Mohs Hardness

5-5.57-7.5

2 10

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Chemical Composition

SiO2

Mg2Al4Si5O18

Optical Properties

Luster

Vitreous

Greasy, Vitreous

Pleochroism

X = pale yellow

Dispersion

0.010.01

0.005 1

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Transparency

Transparent, Translucent

Refractive Index

1.450-1.550-9999

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

-9999-9999

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Aids in mental clarity and focus

Supports healthy digestion

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Grounding

Intuition

Healing

Physical healing

Emotional healing

Qualities Associated

Protection

Psychic Abilities

Obsidian Vs Cordierite Fracture

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

Compare Gems for Sagittarius

Obsidian Vs Sodalite

Obsidian Vs Spinel

Obsidian Vs Tanzanite

Obsidian Vs Cordierite Luster

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