Calcite in brass round stand
MI121S
This optical Calcite from South America is extremely clear. But it also have a great power: double refraction. Anything you look at through this mineral will be doubled!
The beam of light which crosses it is divided into two.It's easy to see that property with a book or any printed material.
The beam of light which crosses it is divided into two.It's easy to see that property with a book or any printed material.
