1.75" Optical Calcite (Iceland Spar)

1.75" Optical Calcite (Iceland Spar)

Availability: Out of stock

Quick Overview

This calcite specimen is very translucent with a nice double refraction that is desirable by any collector.

Measurements: ~1-3/4" High x 1-1/2" Wide x 1-1/4" Deep
Location: Brazil, South America

More Information:

Optical calcite is a clear variety of calcite that is used by scientist to polarize light, or break an image into two. It occurs in large cleavable crystals that look like parallelograms which is how it gets it shape. They are found all over the world in very similar varieties.