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Hollandite and Hemimorphite Optical Properties


Hemimorphite and Hollandite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Adamantine, Silky   

Pleochroism
Weak.   
AbsentWalter Schumann   

Dispersion
Not Available   
0.02   
18

Transparency
Not Available   
Transparent, Translucent   

Refractive Index
Not Available   
1.614-1.636   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Orthorhombic   

Birefringence
Not Available   
0.022   

Clarity
Not Available   
Transparent   

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Hollandite and Hemimorphite Optic Character

Hollandite and Hemimorphite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Hollandite and Hemimorphite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Hollandite and Hemimorphite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Hollandite and Hemimorphite Transparency

Similar to their colors, Hollandite and Hemimorphite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Hollandite is Not Available while Hollandite is Not Available in appearance.

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