Andesine and Rosasite Optical Properties

Andesine

Rosasite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

Silky, Vitreous

1.2 Pleochroism

colorless.

Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue

1.3 Dispersion

Albite Optical ..

⊕

▶

▼

0.70

Rank: 2 (Overall)▶

Not Available

Rank: N/A (Overall)▶

▲

Fluorite Optical Properties

⊕

▶

0.044 (Anglesite Opt..)

◀ ▶ ADD ⊕

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Not Available

1.5 Refractive Index

1.543-1.564

1.672-1.688

1.6 Optic Character

Biaxial/+

Not Available

1.7 Crystal System

Triclinic

monoclinic

1.8 Birefringence

0.007-0.011

0.139-0.143

1.9 Clarity

Transparent

Not Available

Andesine and Rosasite Optic Character

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

Compare Red Gemstones

Andesine Vs Black Opal

Andesine Vs Bloodstone Heliotrope

Andesine Vs Blue John

Andesine and Rosasite Transparency

Similar to their colors, Andesine and Rosasite 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, Andesine is Translucent, Transparent and Transparent to translucent while Andesine is Translucent, Transparent and Transparent to translucent in appearance.