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Liddicoatite
Liddicoatite

Mottramite
Mottramite



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Liddicoatite
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Mottramite

Liddicoatite and Mottramite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Greasy
1.2 Pleochroism
Strong: dark brown light brownAnthony et al
Visible X=Y= canary yellow to greenish yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
Not Available2.170
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.150
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Liddicoatite and Mottramite Optic Character

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

Similar to their colors, Liddicoatite and Mottramite 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.