×

Star Sapphire
Star Sapphire

Andesine
Andesine



ADD
Compare
X
Star Sapphire
X
Andesine

Star Sapphire and Andesine Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
colorless.
1.3 Dispersion
NA0.70
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.758-1.7801.543-1.564
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
0.007-0.0100.007-0.011
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Star Sapphire and Andesine Optic Character

Star Sapphire and Andesine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Star Sapphire and Andesine 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 Star Sapphire and Andesine 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.

Star Sapphire and Andesine Transparency

Similar to their colors, Star Sapphire and Andesine 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, Star Sapphire is Translucent and Transparent while Star Sapphire is Translucent and Transparent in appearance.