×

Anthophyllite
Anthophyllite

Vesuvianite Idocrase
Vesuvianite Idocrase



ADD
Compare
X
Anthophyllite
X
Vesuvianite Idocrase

Anthophyllite and Vesuvianite Idocrase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
When Fe-rich
Not Available
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.603-1.6901.700-1.725
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Uniaxial/-
1.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Not Available
1.8 Birefringence
Not Available0.002-0.012
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Anthophyllite and Vesuvianite Idocrase Optic Character

Anthophyllite and Vesuvianite Idocrase optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Anthophyllite and Vesuvianite Idocrase 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 Vesuvianite Idocrase 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.Vesuvianite Idocrase has Uniaxial/- character.

Anthophyllite and Vesuvianite Idocrase Transparency

Similar to their colors, Anthophyllite and Vesuvianite Idocrase 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.