×

Siderite
Siderite

Aragonite
Aragonite



ADD
Compare
X
Siderite
X
Aragonite

Siderite and Aragonite Optical Properties

Optical Properties

Luster

Pearly
Vitreous, Resinous

Pleochroism

-
StrongArthur Thomas

Dispersion

0.040.17
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.633-1.8751.525-1.686
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.2420.155
0 0.296
👆🏻

Clarity

Transparent
Transparent

Siderite and Aragonite Optic Character

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

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