Home
×

Howlite
Howlite

Rosasite
Rosasite



ADD
Compare
X
Howlite
X
Rosasite

Howlite and Rosasite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Vitreous
Silky, Vitreous
1.2 Pleochroism
NilArthur Thomas
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Not Available
1.5 Refractive Index
1.583-1.608
1.672-1.688
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.019
0.139-0.143
1.9 Clarity
Gemmological Tables (2004) More from other references
Not Available

Howlite and Rosasite Optic Character

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

Howlite and Rosasite Transparency

Similar to their colors, Howlite and Rosasite 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, Howlite is Gemmological Tables (2004) More from other references while Howlite is Gemmological Tables (2004) More from other references in appearance.