London blue topaz

Ludlamite

London blue topaz Vs Ludlamite

London blue topaz

Ludlamite

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Astrology

Origin

USA

Color

White, Colorless, Blue, Red, Green, Yellow, Violet

Green, Colorless, Greenish, White

Streak

Greenish, 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

Solubility

Durability

Specific Gravity

-99993.1-3.2

1 7.18

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Fracture

Cleavage

None

Vitreous, pearly on cleavage

Mohs Hardness

-99993-4

2 10

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Chemical Composition

Al2SiO4(F,OH)2

(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Vitreous, Pearly

Pleochroism

Dispersion

0.020.02

0.005 1

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Transparency

Refractive Index

-99991.653-1.693

1 3.25

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Optic Character

Crystal System

monoclinic

Birefringence

-99990.038-0.044

0 0.296

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Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Aids in mental clarity and focus

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Supports digestive health

Psychology

Communication

Harmony

Healing

Emotional healing

Qualities Associated

Self-Expression

Emotional Healing

London blue topaz Vs Ludlamite Fracture

Fracture is an important parameter when you compare London blue topaz and Ludlamite Physical Properties. It is necessary to understand the significance of these properties, before you compare London blue topaz Vs Ludlamite 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.

Compare Blue Gemstones

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London blue topaz Vs Ludlamite Luster

A primary knowledge about London blue topaz vs Ludlamite 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. Ludlamite, on other hand, exhibits Vitreous and Pearly luster.