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Londonite
Londonite

Pollucite
Pollucite



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Londonite
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Pollucite

Londonite Vs Pollucite

Astrology

Origin

Madagascar
Afghanistan, Southern and central Africa

Color

White, Colorless, Yellow
Grey, White, Colorless, gray, Pale pink, Blue

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

Solubility

-
Readily soluble in HF

Durability

-
-

Specific Gravity

3.342.86-2.94
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal, Uneven

Cleavage

None
None observed

Mohs Hardness

-99996.5-7
2 10
👆🏻

Chemical Composition

(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Optical Properties

Luster

Vitreous
Vitreous, Greasy

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

-99991.517-1.525
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Isometric

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

Supports digestive health
-

Psychology

Empathy
-

Healing

-
-

Qualities Associated

Love
Harmony

Londonite Vs Pollucite Fracture

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

Londonite Vs Pollucite Luster

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