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Friedelite
Friedelite

Cordierite Iolite
Cordierite Iolite



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Friedelite
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Cordierite Iolite

Friedelite Vs Cordierite Iolite

Astrology

Origin

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

Color

Red, Brown, Yellow, pink
Violet, Blue

Streak

pink
-

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

3.06-3.192.56-2.66
1 7.18
👆🏻

Fracture

Uneven
Uneven, ConchoidalWalter Schumann

Cleavage

{010} Perfect
Distinct

Mohs Hardness

4-57-7.5
2 10
👆🏻

Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Strong trichroism: colorless to yellowish

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.627-1.6631.542-1.578
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
-

Birefringence

0.032-0.0350.008-0.012
0 0.296
👆🏻

Clarity

Translucent
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

-
Good

Reproductive

-
-

Digestive

-
-

Psychology

Harmony
Inner vision

Healing

-
Emotional healing

Qualities Associated

Creativity
Intuition

Friedelite Vs Cordierite Iolite Fracture

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

Friedelite Vs Cordierite Iolite Luster

A primary knowledge about Friedelite 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. Cordierite Iolite, on other hand, exhibits Vitreous luster.