×

Anthophyllite
Anthophyllite

Anorthoclase
Anorthoclase



ADD
Compare
X
Anthophyllite
X
Anorthoclase

Anthophyllite and Anorthoclase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Pearly
1.2 Pleochroism
When Fe-rich
WeakMichael O’Donoghue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.603-1.6901.518-1.534
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
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
1.8 Birefringence
Not Available0.006-0.008
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Anthophyllite and Anorthoclase Optic Character

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

Similar to their colors, Anthophyllite and Anorthoclase 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.