London blue topaz and Liddicoatite Optical Properties

London blue topaz

Liddicoatite

Add ⊕

1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Not Available

Strong: dark brown light brownAnthony et al

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Transparent

1.5 Refractive Index

Not AvailableNot Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

Transparent

London blue topaz and Liddicoatite Optic Character

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

Compare Blue Gemstones

London blue topaz Vs Plasma

London blue topaz Vs Orbicular jasper

London blue topaz Vs Indicolite

London blue topaz and Liddicoatite Transparency

Similar to their colors, London blue topaz and Liddicoatite 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, London blue topaz is Not Available while London blue topaz is Not Available in appearance.