Bastnasite and Beryl Optical Properties

Bastnasite

Beryl

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1 Optical Properties

1.1 Luster

Vitreous, Greasy, Pearly

Vitreous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous

1.2 Pleochroism

Faint

Weak to distinct

1.3 Dispersion

Albite Optical ..

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Not Available

Rank: N/A (Overall)▶

0.01

Rank: 26 (Overall)▶

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Fluorite Optical Properties

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0.044 (Anglesite Opt..)

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1.4 Transparency

Gemmological Tables (2004) More from other references

Transparent, Transparent to opaque

1.5 Refractive Index

1.717-1.722

1.560-1.604

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

1.8 Birefringence

0.100

0.0040-0.0070

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Bastnasite and Beryl Optic Character

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

Compare Red Gemstones

Bastnasite Vs Erythrite

Bastnasite Vs Kainite

Bastnasite Vs Langbeinite

Bastnasite and Beryl Transparency

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

Red Gemstones

Beudantite

Bornite

Carnallite

Piemontite

Erythrite

Kainite