Color: Light Imperial Orange

Dimensions: 108x76

Specimen Size:   Miniature-Sized

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

It measures 53x22x25 mm

Iceland Spar Optical Calcite | 60.8 Grams | Rhombohedral | China Lapis Lazuli Color: Light Imperial OrangeIceland 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