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Pollucite
Pollucite

Cordierite
Cordierite



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X
Pollucite
X
Cordierite

Pollucite Vs Cordierite

Astrology

Origin

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

Color

Grey, White, Colorless, gray, Pale pink, Blue
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray

Streak

White
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
Brittle

Solubility

Readily soluble in HF
-

Durability

-
-

Specific Gravity

2.86-2.942.57-2.66
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Subconchoidal, Conchoidal

Cleavage

None observed
Fair on {100}, poor on {001} and {010}

Mohs Hardness

6.5-77-7.5
2 10
👆🏻

Chemical Composition

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Mg2Al4Si5O18

Optical Properties

Luster

Vitreous, Greasy
Greasy, Vitreous

Pleochroism

-
X = pale yellow

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.517-1.525-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
Orthorhombic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
-

Benefits

Physical

Neurological

-
Supports healthy digestion

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

-
Intuition

Healing

-
Emotional healing

Qualities Associated

Harmony
Psychic Abilities

Pollucite Vs Cordierite Fracture

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

Pollucite Vs Cordierite Luster

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