Optical Calcite (Iceland Spar), Approx. 2"-2.5" Length, Single Piece || 45-

Warehouse 45

CA$0.00
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Product Overview

  • 2"-2.5" sample of optical calcite, also known as Iceland Spar
  • Optical calcite is birefringent, allowing it to split and transmit beams of light into double images
  • Calcite can be used in lessons on mineral hardness, cleavage, and effervescence
  • Samples vary naturally, and may not be identical to those pictured
  • Great addition to any collection, whether in a classroom or in the home

Looking through this specimen of calcite will have you seeing double. The unique crystal structure of calcite allows it to split and transmit a beam of light into two, displaying two of the same image - this is especially fun to do with a laser pointer.

Each specimen exhibits calcite's characteristic rhombohedral cleavage, making it a comprehensive tool for geology classrooms.

This sample of calcite is between 2 and 2.5 inches long, and weighs between 2 and 4 ounces.

Samples vary naturally, and may not look identical to those pictured.

If you reach out to us before you buy, we will send a picture to ensure you are receiving a specimen you'll like.