×

Hardystonite
Hardystonite

Andradite
Andradite



ADD
Compare
X
Hardystonite
X
Andradite

Hardystonite and Andradite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous, Greasy
Adamantine, Resinous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NA0.06
Fluorite Optical Properties
0.007 1
1.4 Transparency
Handbook of mineralogy (2001)
Transparent
1.5 Refractive Index
1.6721.88-1.94
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
cubic
1.8 Birefringence
Not Available0.057
Achroite
0 0.296
1.9 Clarity
Handbook of mineralogy (2001)
Transparent

Hardystonite and Andradite Optic Character

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

Hardystonite and Andradite Transparency

Similar to their colors, Hardystonite and Andradite 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, Hardystonite is Handbook of mineralogy (2001) while Hardystonite is Handbook of mineralogy (2001) in appearance.