Lapis lazuli and Rose Quartz Optical Properties

Lapis lazuli

Rose Quartz

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1 Optical Properties

1.1 Luster

Vitreous, Greasy

Vitreous

1.2 Pleochroism

AbsentWalter Schumann

Weak: pink pale pinkHerve Nicolas Lazzarelli

1.3 Dispersion

NoneNone

0.007 1

1.4 Transparency

Opaque

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.500-1.6701.544-1.553

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Hexagonal

1.8 Birefringence

Not Available0.009

0 0.296

1.9 Clarity

Gemstones of the world (2001)

TranslucentHerve Nicolas Lazzarelli

Lapis lazuli and Rose Quartz Optic Character

Lapis lazuli and Rose Quartz optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Lapis lazuli and Rose Quartz 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 Lapis lazuli and Rose Quartz 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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Lapis lazuli and Rose Quartz Transparency

Similar to their colors, Lapis lazuli and Rose Quartz 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, Lapis lazuli is Opaque while Lapis lazuli is Opaque in appearance.