Phenakite and Rose Quartz Optical Properties

Phenakite

Rose Quartz

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli

Weak: pink pale pinkHerve Nicolas Lazzarelli

1.3 Dispersion

0.02None

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.650-1.6951.544-1.553

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Hexagonal

1.8 Birefringence

0.0160.009

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

TranslucentHerve Nicolas Lazzarelli

Phenakite and Rose Quartz Optic Character

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

Similar to their colors, Phenakite 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, Phenakite is Gemmological Tables (2004) More from other references while Phenakite is Gemmological Tables (2004) More from other references in appearance.