Hauyne and Bertrandite Optical Properties

Hauyne

Bertrandite

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1 Optical Properties

1.1 Luster

Vitreous, Greasy

Vitreous

1.2 Pleochroism

None

none.

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

TransparentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.501.583-1.614

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

TransparentAnthony et al

Hauyne and Bertrandite Optic Character

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

Similar to their colors, Hauyne and Bertrandite 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, Hauyne is Not Available while Hauyne is Not Available in appearance.