London blue topaz and Linarite Optical Properties

London blue topaz

Linarite

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1 Optical Properties

1.1 Luster

Not Available

Sub-Adamantine, Vitreous

1.2 Pleochroism

Not Available

X = pale blue; Y = blue; Z = Prussian blue

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Transparent

1.5 Refractive Index

Not Available1.809-1.859

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

monoclinic

1.8 Birefringence

Not Available0.050

0 0.296

1.9 Clarity

Not Available

Transparent

London blue topaz and Linarite Optic Character

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

London blue topaz Vs Plasma

London blue topaz Vs Indicolite

London blue topaz and Linarite Transparency

Similar to their colors, London blue topaz and Linarite 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.