Demantoid and Rose Quartz Optical Properties

Demantoid

Rose Quartz

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous

1.2 Pleochroism

None

Weak: pink pale pinkHerve Nicolas Lazzarelli

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Gemmological Tables (2004)

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.880-1.8901.544-1.553

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Hexagonal

1.8 Birefringence

Not Available0.009

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

TranslucentHerve Nicolas Lazzarelli

Demantoid and Rose Quartz Optic Character

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

Similar to their colors, Demantoid 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, Demantoid is Gemmological Tables (2004) while Demantoid is Gemmological Tables (2004) in appearance.