Anhydrite and Linarite Optical Properties

Anhydrite

Linarite

Add ⊕

1 Optical Properties

1.1 Luster

Pearly, Greasy

Sub-Adamantine, Vitreous

1.2 Pleochroism

For violet varieties

X = pale blue; Y = blue; Z = Prussian blue

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

1.570-1.6141.809-1.859

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

monoclinic

1.8 Birefringence

0.042-0.0440.050

0 0.296

1.9 Clarity

Transparent

Anhydrite and Linarite Optic Character

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

Anhydrite Vs Azurmalachite

Anhydrite Vs Black Opal

Anhydrite and Linarite Transparency

Similar to their colors, Anhydrite and Linarite 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.