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Boracite
Boracite

Friedelite
Friedelite



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Boracite
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Friedelite

Boracite and Friedelite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine
Not Available
1.2 Pleochroism
None
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.658-1.6731.627-1.663
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
1.8 Birefringence
0.010-0.0110.032-0.035
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Boracite and Friedelite Optic Character

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

Similar to their colors, Boracite and Friedelite 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.