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Iolite
Iolite

Londonite
Londonite



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Iolite
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Londonite

Iolite Vs Londonite

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Astrology

Origin

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

Color

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

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

2.6-2.73.34
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

3,1
None

Mohs Hardness

7-7.5-9999
2 10
👆🏻

Chemical Composition

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

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent, Transparent to translucent
Transparent

Refractive Index

1.52-1.56-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent to translucent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Supports heart health
-

Respiratory

Excellent
Good

Reproductive

-
-

Digestive

Supports digestive health
Supports digestive health

Psychology

Intuition
Empathy

Healing

Emotional healing
-

Qualities Associated

Intuition
Love

Iolite Vs Londonite Fracture

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

Iolite Vs Londonite Luster

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