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Hercynite
Hercynite

Cordierite
Cordierite



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X
Hercynite
X
Cordierite

Hercynite Vs Cordierite

Astrology

Origin

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

Color

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

Streak

Green
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

4.392.57-2.66
1 7.18
👆🏻

Fracture

Uneven
Subconchoidal, Conchoidal

Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct
Fair on {100}, poor on {001} and {010}

Mohs Hardness

7.5-87-7.5
2 10
👆🏻

Chemical Composition

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Mg2Al4Si5O18

Optical Properties

Luster

Vitreous
Greasy, Vitreous

Pleochroism

-
X = pale yellow

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.80-1.83-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Orthorhombic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Translucent
-

Benefits

Physical

Neurological

-
Supports healthy digestion

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

-
Intuition

Healing

-
Emotional healing

Qualities Associated

Balance
Psychic Abilities

Hercynite Vs Cordierite Fracture

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

Hercynite Vs Cordierite Luster

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