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Cordierite
Cordierite

Petoskey Stone
Petoskey Stone



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X
Cordierite
X
Petoskey Stone

Cordierite Vs Petoskey Stone

Astrology

Origin

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

Color

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

Streak

White
-

For which Rashi?

-
Sagittarius

Planet

-
-

Element of Planets

-
Water, Earth

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
Gaia

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.57-2.66-9999
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
-

Cleavage

Fair on {100}, poor on {001} and {010}
None

Mohs Hardness

7-7.57
2 10
👆🏻

Chemical Composition

Mg2Al4Si5O18
CaCO3

Optical Properties

Luster

Greasy, Vitreous
-

Pleochroism

X = pale yellow
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-9999-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
-

Benefits

Physical

Neurological

Supports healthy digestion
-

Cardiovascular

-
-

Respiratory

Good
-

Reproductive

-
-

Digestive

-
-

Psychology

Intuition
-

Healing

Emotional healing
Emotional healing

Qualities Associated

Psychic Abilities
Harmony

Cordierite Vs Petoskey Stone Fracture

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

Cordierite Vs Petoskey Stone Luster

A primary knowledge about Cordierite vs Petoskey Stone 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.