Dimensions: 52x41x33 mm / 2x1

It measures 53x22x25 mm

You will receive 1 Amethyst root selected from the size of your choosing

Product ID: SS0279

Dimensions: 108x76

Iceland Spar Optical Calcite | 60.8 Grams | Rhombohedral | China Lapis Lazuli Dimensions: 52x41x33 mm / 2x1Iceland spar, formerly called Iceland crystal (Icelandic: silfurberg [slvrprk], lit. 'silver rock') and also called optical calcite, is a transparent variety of calcite, or crystallized calcium carbonate, originally brought from Iceland, and used in demonstrating the polarization of light. The most common crystal structure of Iceland spar is rhombohedral, but other structures, such as scalenohedral or prismatic, can form depending on formation