Orange Iceland Spar Mineral Specimen 26990 foramen lacerum

foramen lacerum

Footprint Measurement: 25 x 16cm

You Want to Work With the Ancient and Recent Dead

they have two claws on their front limbs and are generally larger

Limbs can be removed quickly and easily

Orange Iceland Spar Mineral Specimen 26990 foramen lacerumIceland Spar, also known as Optical Calcite, is a striking variety of calcite valued for its polarizing effect on light, a property called birefringence. Historically, it is believed Vikings may have used this mineral to aid navigation on cloudy days. These specimens feature natural clarity and patterns, with unique variations in color and tone. The warm orange hue in these pieces is likely caused by trace amounts of manganese, adding to their visual