Mellite and dendritic agate Optical Properties

Mellite

dendritic agate

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Weak: yellowish brown yellowAnthony et al

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

TranslucentWalter Schumann, Gemstones of the world (2001)

1.5 Refractive Index

1.509-1.541Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.030Not Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

TranslucentWalter Schumann

Mellite and dendritic agate Optic Character

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

Similar to their colors, Mellite and dendritic agate 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, Mellite is Gemmological Tables (2004) More from other references while Mellite is Gemmological Tables (2004) More from other references in appearance.