Double refraction of text in iceland spar crystal. Calcite specimen with optical birefringence.
Keywords
background,
macro,
iceland,
spar,
crystal,
natural,
mineral,
gemstone,
shooting,
rock,
specimen,
object,
raw,
close,
up,
small,
stone,
textured,
structure,
material,
surface,
transparent,
piece,
sample,
geology,
geologic,
crystalline,
calcite,
semitransparent,
optical,
refraction,
double,
birefringence,
calcium,
carbonate,
optic,
polarization,
light,
anisotropic,
ray,
text,
phenomena