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Londonite
Londonite

Iolite
Iolite



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Londonite
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Iolite

Londonite Vs Iolite

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Astrology

Origin

Madagascar
Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma

Color

White, Colorless, Yellow
Blue, Violet, Yellow, Grey

Streak

White
-

For which Rashi?

-
Libra, Sagittarius, Taurus

Planet

-
Jupiter

Element of Planets

-
Water

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.342.6-2.7
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

None
3,1

Mohs Hardness

-99997-7.5
2 10
👆🏻

Chemical Composition

(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)
Mg2Al4Si5O18

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent, Transparent to translucent

Refractive Index

-99991.52-1.56
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent to translucent

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

-
Supports heart health

Respiratory

Good
Excellent

Reproductive

-
-

Digestive

Supports digestive health
Supports digestive health

Psychology

Empathy
Intuition

Healing

-
Emotional healing

Qualities Associated

Love
Intuition

Londonite Vs Iolite Fracture

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

Londonite Vs Iolite Luster

A primary knowledge about Londonite vs 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. Londonite exhibits Vitreous luster. Iolite, on other hand, exhibits Vitreous luster.