Esperite and Anthophyllite Optical Properties

Esperite

Anthophyllite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Pearly

1.2 Pleochroism

colorless.

When Fe-rich

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

OpaqueAnthony et al, Opaque, Transparent

Transparent

1.5 Refractive Index

1.760-1.7741.603-1.690

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

monoclinic

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

1.8 Birefringence

0.012Not Available

0 0.296

1.9 Clarity

OpaqueAnthony et al

Transparent

Esperite and Anthophyllite Optic Character

Esperite and Anthophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Esperite and Anthophyllite 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 Esperite and Anthophyllite 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. Anthophyllite has Biaxial/+ character.

Compare White Gemstones

Esperite Vs Hydrogrossular

Esperite Vs Hardystonite

Esperite Vs Hackmanite

Esperite and Anthophyllite Transparency

Similar to their colors, Esperite and Anthophyllite 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, Esperite is Opaque, OpaqueAnthony et al and Transparent while Esperite is Opaque, OpaqueAnthony et al and Transparent in appearance.