Holmquistite and Star diopside Optical Properties

Holmquistite

Star diopside

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Strong in shades of violet when dark-colored.Anthony et al

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Not Available

1.5 Refractive Index

1.622-1.666Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

Not Available

Holmquistite and Star diopside Optic Character

Holmquistite and Star diopside optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Holmquistite and Star diopside 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 Holmquistite and Star diopside 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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Holmquistite and Star diopside Transparency

Similar to their colors, Holmquistite and Star diopside 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, Holmquistite is Transparent while Holmquistite is Transparent in appearance.