Rose Quartz and Umbalite Optical Properties

Rose Quartz

Umbalite

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Weak: pink pale pinkHerve Nicolas Lazzarelli

Not Available

1.3 Dispersion

None0.02

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

TransparentGemdat.org, Management Team (2012)

1.5 Refractive Index

1.544-1.5531.730-1.820

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Not Available

1.8 Birefringence

0.009Not Available

0 0.296

1.9 Clarity

TranslucentHerve Nicolas Lazzarelli

TransparentGemdat.org

Rose Quartz and Umbalite Optic Character

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

Similar to their colors, Rose Quartz and Umbalite 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, Rose Quartz is Translucent, Transparent and Transparent to translucent while Rose Quartz is Translucent, Transparent and Transparent to translucent in appearance.