Andalusite and Rose Quartz Optical Properties

Andalusite

Rose Quartz

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1 Optical Properties

1.1 Luster

Vitreous, Greasy

Vitreous

1.2 Pleochroism

strongly trichroic

Weak: pink pale pinkHerve Nicolas Lazzarelli

1.3 Dispersion

0.02None

0.007 1

1.4 Transparency

Transparent, Translucent

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.627-1.6501.544-1.553

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Hexagonal

1.8 Birefringence

0.009-0.0100.009

0 0.296

1.9 Clarity

Transparent

TranslucentHerve Nicolas Lazzarelli

Andalusite and Rose Quartz Optic Character

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

Similar to their colors, Andalusite 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, Andalusite is Translucent and Transparent while Andalusite is Translucent and Transparent in appearance.