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Cordierite
Cordierite

Umbalite
Umbalite



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X
Cordierite
X
Umbalite

Cordierite Vs Umbalite

Astrology

Origin

Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Southern and central Africa

Color

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

Streak

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

2.57-2.663.62-4.33
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
Uneven

Cleavage

Fair on {100}, poor on {001} and {010}
Indiscernible

Mohs Hardness

7-7.57-7.5
2 10
👆🏻

Chemical Composition

Mg2Al4Si5O18
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

Optical Properties

Luster

Greasy, Vitreous
-

Pleochroism

X = pale yellow
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
TransparentGemdat.org

Refractive Index

-99991.730-1.820
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
TransparentGemdat.org

Benefits

Physical

Neurological

Supports healthy digestion
-

Cardiovascular

-
Supports heart health

Respiratory

Good
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Reproductive

-
-

Digestive

-
-

Psychology

Intuition
-

Healing

Emotional healing
Emotional healing

Qualities Associated

Psychic Abilities
Love

Cordierite Vs Umbalite Fracture

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

Cordierite Vs Umbalite Luster

A primary knowledge about Cordierite vs Umbalite 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.