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Cordierite
Cordierite

Spinel
Spinel



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X
Cordierite
X
Spinel

Cordierite Vs Spinel

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Astrology

Origin

Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia

Color

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

Streak

White
White

For which Rashi?

-
Sagittarius, Scorpio

Planet

-
Pluto

Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
Hephaestus

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.57-2.663.64-3.66
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
Conchoidal, Uneven

Cleavage

Fair on {100}, poor on {001} and {010}
None, but may exhibit slight parting

Mohs Hardness

7-7.58
2 10
👆🏻

Chemical Composition

Mg2Al4Si5O18
MgAl2O4

Optical Properties

Luster

Greasy, Vitreous
Vitreous

Pleochroism

X = pale yellow
Absent

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

-99991.73
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Isometric

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Supports healthy digestion
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Intuition
Revitalization

Healing

Emotional healing
Emotional healing

Qualities Associated

Psychic Abilities
Vitality

Cordierite Vs Spinel Fracture

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

Cordierite Vs Spinel Luster

A primary knowledge about Cordierite vs Spinel 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. Spinel, on other hand, exhibits Vitreous luster.