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Topaz
Topaz

Londonite
Londonite



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Topaz
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Londonite

Topaz Vs Londonite

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Astrology

Origin

Brazil, Madagascar, Russia, USA, Mexico, Pakistan, Sri Lanka
Madagascar

Color

Yellow, Blue, Green, Red, White, Colorless, pink, Brown
White, Colorless, Yellow

Streak

White
White

For which Rashi?

Sagittarius
-

Planet

-
-

Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

Ra
-

Not to wear with

-
-

Powers

Healing, Love
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.49-3.573.34
1 7.18
👆🏻

Fracture

Subconchoidal, Uneven, Conchoidal
Conchoidal

Cleavage

[001] Perfect
None

Mohs Hardness

8-9999
2 10
👆🏻

Chemical Composition

Al2SiO4(F,OH)2
(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Weak
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.606-1.644-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.008-0.011-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

-
-

Respiratory

Good
Good

Reproductive

-
-

Digestive

Supports digestive health
Supports digestive health

Psychology

Energy
Empathy

Healing

Emotional healing
-

Qualities Associated

Energy
Love

Topaz Vs Londonite Fracture

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

Topaz Vs Londonite Luster

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