Optical Properties of Hematite

Hematite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

O = brownish red; E = yellowish red

1.3 Dispersion

Not Available

Rank: N/A (Overall) ▶

0.007 1

1.4 Transparency

OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references

1.5 Refractive Index

2.690-3.220

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

1.8 Birefringence

0.280

0 0.296

1.9 Clarity

OpaqueHerve Nicolas Lazzarelli

Hematite Luster

Optical Properties of Hematite 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. Hematite optical properties like luster, clarity, refractive index etc. are used to determine the non-destructive methods during gemstone identification and evaluation.

Hematite luster is the quantity of light the crystal reflects when light is incident on it. Hematite which is commonly found in Black, Reddish, gray, Red color, is Blue Chart Gem Identification (2010) More from other references and OpaqueHerve Nicolas Lazzarelli in nature.

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Hematite Refractive Index

Optical properties of a Hematite 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 Hematite.

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 Hematite refractive index is 2.690-3.220. Birefringence value for this gem is 0.280. So if you are searching for prominent Gems for Aries, Hematite gem is something not miss on, since it has been a favorite pick in the gem wearing community.

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