Anhydrite and Pyrope Almandine Optical Properties

Anhydrite

Pyrope Almandine

Add ⊕

1 Optical Properties

1.1 Luster

Pearly, Greasy

Not Available

1.2 Pleochroism

For violet varieties

AbsentWalter Schumann

1.3 Dispersion

0.010.02

0.007 1

1.4 Transparency

Transparent

TransparentGemdat.org, Management Team (2012)

1.5 Refractive Index

1.570-1.6141.73-1.77

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.042-0.044Not Available

0 0.296

1.9 Clarity

Transparent

TransparentGemdat.org

Anhydrite and Pyrope Almandine Optic Character

Anhydrite and Pyrope Almandine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Anhydrite and Pyrope Almandine 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 Anhydrite and Pyrope Almandine 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.

Compare Blue Gemstones

Anhydrite Vs Azurmalachite

Anhydrite Vs Black Opal

Anhydrite Vs Beryl

Anhydrite and Pyrope Almandine Transparency

Similar to their colors, Anhydrite and Pyrope Almandine 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, Anhydrite is Transparent while Anhydrite is Transparent in appearance.