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Liddicoatite
Liddicoatite

Piemontite
Piemontite



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Liddicoatite
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Piemontite

Liddicoatite and Piemontite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Strong: dark brown light brownAnthony et al
visible
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
Not Available1.725-1.756
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
Not Available0.025-0.076
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Liddicoatite and Piemontite Optic Character

Liddicoatite and Piemontite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Liddicoatite and Piemontite 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 Liddicoatite and Piemontite 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.

Liddicoatite and Piemontite Transparency

Similar to their colors, Liddicoatite and Piemontite 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, Liddicoatite is Transparent while Liddicoatite is Transparent in appearance.