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Andalusite
Andalusite

Bloodstone Heliotrope
Bloodstone Heliotrope



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Andalusite
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Bloodstone Heliotrope

Andalusite and Bloodstone Heliotrope Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Waxy
1.2 Pleochroism
strongly trichroic
Not Available
1.3 Dispersion
Albite Optical ..
0.02
Rank: 23 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Translucent
1.5 Refractive Index
1.627-1.650
1.530-1.543
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.009-0.010
0.003-0.009
1.9 Clarity
Transparent
Translucent

Andalusite and Bloodstone Heliotrope Optic Character

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

Andalusite and Bloodstone Heliotrope Transparency

Similar to their colors, Andalusite and Bloodstone Heliotrope 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, Andalusite is Translucent and Transparent while Andalusite is Translucent and Transparent in appearance.

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