×

Boracite
Boracite

Manganotantalite
Manganotantalite



ADD
Compare
X
Boracite
X
Manganotantalite

Boracite and Manganotantalite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine
Not Available
1.2 Pleochroism
None
Sometimes strongArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.658-1.6732.19-2.34
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.010-0.0110.015
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentWalter Schumann

Boracite and Manganotantalite Optic Character

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

Boracite and Manganotantalite Transparency

Similar to their colors, Boracite and Manganotantalite 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, Boracite is Transparent while Boracite is Transparent in appearance.