×

Tugtupite
Tugtupite

Anthophyllite
Anthophyllite



ADD
Compare
X
Tugtupite
X
Anthophyllite

Tugtupite and Anthophyllite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
ModerateArthur Thomas
When Fe-rich
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
OpaqueHerve Nicolas Lazzarelli
Transparent
1.5 Refractive Index
1.494-1.5041.603-1.690
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
tetragonal
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
0.008Not Available
Achroite
0 0.296
1.9 Clarity
OpaqueHerve Nicolas Lazzarelli
Transparent

Tugtupite and Anthophyllite Optic Character

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

Tugtupite and Anthophyllite Transparency

Similar to their colors, Tugtupite and Anthophyllite 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, Tugtupite is OpaqueHerve Nicolas Lazzarelli while Tugtupite is OpaqueHerve Nicolas Lazzarelli in appearance.