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Hardystonite
Hardystonite

Turquoise
Turquoise



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Hardystonite
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Turquoise

Hardystonite and Turquoise Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous, Greasy
Waxy
1.2 Pleochroism
Not Available
Weak
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Handbook of mineralogy (2001)
Translucent, Opaque
1.5 Refractive Index
1.6721.610-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Triclinic
1.8 Birefringence
Not Available0.040
Achroite
0 0.296
1.9 Clarity
Handbook of mineralogy (2001)
Translucent

Hardystonite and Turquoise Optic Character

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

Hardystonite and Turquoise Transparency

Similar to their colors, Hardystonite and Turquoise 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, Hardystonite is Handbook of mineralogy (2001) while Hardystonite is Handbook of mineralogy (2001) in appearance.