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Grossular
Grossular

Cordierite Iolite
Cordierite Iolite



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Grossular
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Cordierite Iolite

Grossular Vs Cordierite Iolite

Astrology

Origin

Sri Lanka, India, Brazil
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA

Color

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

Streak

Brownish, 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

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.55-3.732.56-2.66
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Uneven, ConchoidalWalter Schumann

Cleavage

none
Distinct

Mohs Hardness

7-7.57-7.5
2 10
👆🏻

Chemical Composition

Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Optical Properties

Luster

Greasy, Vitreous
Vitreous

Pleochroism

None
Strong trichroism: colorless to yellowish

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.730-1.7601.542-1.578
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

cubic
-

Birefringence

0.0200.008-0.012
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

-
Good

Reproductive

Helps in digestion and alleviates indigestion
-

Digestive

-
-

Psychology

Abundance
Inner vision

Healing

Physical healing
Emotional healing

Qualities Associated

Abundance
Intuition

Grossular Vs Cordierite Iolite Fracture

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

Grossular Vs Cordierite Iolite Luster

A primary knowledge about Grossular vs Cordierite Iolite 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. Grossular exhibits Greasy and Vitreous luster. Cordierite Iolite, on other hand, exhibits Vitreous luster.