dendritic agate and Watermelon Tourmaline Optical Properties

dendritic agate

Watermelon Tourmaline

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Not Available

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

TranslucentWalter Schumann, Gemstones of the world (2001)

TransparentGemdat.org, Management Team (2012)

1.5 Refractive Index

Not Available1.614-1.666

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not Available0.014-0.040

0 0.296

1.9 Clarity

TranslucentWalter Schumann

TransparentGemdat.org

dendritic agate and Watermelon Tourmaline Optic Character

dendritic agate and Watermelon Tourmaline optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the dendritic agate and Watermelon Tourmaline 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 dendritic agate and Watermelon Tourmaline 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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dendritic agate and Watermelon Tourmaline Transparency

Similar to their colors, dendritic agate and Watermelon Tourmaline 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, dendritic agate is Gemstones of the world (2001) and TranslucentWalter Schumann while dendritic agate is Gemstones of the world (2001) and TranslucentWalter Schumann in appearance.