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Anthophyllite
Anthophyllite

Grossular Garnet
Grossular Garnet



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Anthophyllite
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Grossular Garnet

Anthophyllite and Grossular Garnet Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Adamantine
1.2 Pleochroism
When Fe-rich
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.603-1.6901.738-1.745
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Isometric
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Anthophyllite and Grossular Garnet Optic Character

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

Anthophyllite and Grossular Garnet Transparency

Similar to their colors, Anthophyllite and Grossular Garnet 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, Anthophyllite is Transparent while Anthophyllite is Transparent in appearance.