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Aragonite
Aragonite

Anthophyllite
Anthophyllite



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Aragonite
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Anthophyllite

Aragonite and Anthophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous, Pearly
1.2 Pleochroism
StrongArthur Thomas
When Fe-rich
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.525-1.686
1.603-1.690
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Orthorhombic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
0.155
Not Available
1.9 Clarity
Transparent
Transparent

Aragonite and Anthophyllite Optic Character

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

Aragonite and Anthophyllite Transparency

Similar to their colors, Aragonite 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, Aragonite is Translucent and Transparent while Aragonite is Translucent and Transparent in appearance.

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