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Anthophyllite
Anthophyllite

Idocrase
Idocrase



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Anthophyllite
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Idocrase

Anthophyllite and Idocrase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
When Fe-rich
Not Available
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.603-1.690
1.67-1.76
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
tetragonal
1.8 Birefringence
Not Available
Not Available
1.9 Clarity
Transparent
Color grading system

Anthophyllite and Idocrase Optic Character

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

Anthophyllite and Idocrase Transparency

Similar to their colors, Anthophyllite and Idocrase 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, Anthophyllite is Transparent while Anthophyllite is Transparent in appearance.

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