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Pollucite
Pollucite

Andradite
Andradite



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Pollucite
X
Andradite

Pollucite Vs Andradite

Astrology

Origin

Afghanistan, Southern and central Africa
Italy, Russia

Color

Grey, White, Colorless, gray, Pale pink, Blue
Colorless, Green, Black, Brown, Red, Greenish, 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

2.86-2.943.70-4.10
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Conchoidal, Uneven

Cleavage

None observed
none

Mohs Hardness

6.5-76.5-7
2 10
👆🏻

Chemical Composition

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Optical Properties

Luster

Vitreous, Greasy
Adamantine, Resinous

Pleochroism

-
-

Dispersion

0.010.06
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.517-1.5251.88-1.94
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
cubic

Birefringence

-99990.057
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

-
Supports heart health

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

-
Positivity

Healing

-
Physical healing

Qualities Associated

Harmony
Empowerment

Pollucite Vs Andradite Fracture

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

Pollucite Vs Andradite Luster

A primary knowledge about Pollucite vs Andradite 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. Andradite, on other hand, exhibits Adamantine and Resinous luster.