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Siderite
Siderite

Chrysocolla
Chrysocolla



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Siderite
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Chrysocolla

Siderite and Chrysocolla Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous, Greasy
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Opaque
1.5 Refractive Index
1.633-1.8751.460-1.570
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
0.2420.023-0.050
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004) More from other references

Siderite and Chrysocolla Optic Character

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

Siderite and Chrysocolla Transparency

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