Optical Properties of Ludlamite

Ludlamite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

1.2 Pleochroism

NilArthur Thomas

1.3 Dispersion

Not Available

Rank: N/A (Overall) ▶

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.653-1.693

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

1.8 Birefringence

0.038-0.044

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Ludlamite Luster

Optical Properties of Ludlamite are its behavioral responses towards light. While few optical properties can be identified with naked eyes, other require special instruments by the gemologists to identify them. Ludlamite optical properties like luster, clarity, refractive index etc. are used to determine the non-destructive methods during gemstone identification and evaluation.

Ludlamite luster is the quantity of light the crystal reflects when light is incident on it. Ludlamite which is commonly found in Green, Colorless, Greenish, White color, is Gemmological Tables (2004) More from other references in nature. It possess Pearly and Vitreous luster.

Green Gemstones

Ludlamite Refractive Index

Optical properties of a Ludlamite crystal are responsive to the small changes in composition and strain within its crystalline structure. Absolute diligence is therefore necessary during cutting and polishing of the gemstone. All such optical properties are majorly influenced by Physical Properties of Ludlamite.

As we are well aware, refractive index is the phenomenon which is related to bending of light through a medium (crystal). It is used in qualitative analysis of gemstones by gemologists Besides, few gemstones exhibit property of dual refractive indices. This dual nature is known as Birefringence. The value of Ludlamite refractive index is 1.653-1.693. Birefringence value for this gem is 0.038-0.044. So if you are searching for prominent Green Gemstones, Ludlamite gem is something not miss on, since it has been a favorite pick in the gem wearing community.

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