Yellow Optical Calcite / 1.5-2.5" AVG - 1 LB. LOT Menu Animal Leather Journal/Notebook with Key

Leather Journal/Notebook with Key

Pieces measure approximately 14-16" (AVERAGE SIZE)

Quantity: 75 grams

Gemstone Mixed Shape Towers - Set of 2

Yellow Optical Calcite / 1.5-2.5" AVG - 1 LB. LOT Menu Animal Leather Journal/Notebook with KeyQuantity: 1 pound Average size range: 1. 5 to 2. 5 inches Optical calcite, also known as Iceland spar, is a special type of calcite that forms extremely clear and somewhat rectangular crystals. For centuries, sailors would use these crystals to help determine the direction of the sun on cloudy days for navigation. This optical calcite also contains trace iron impurities, giving it a faint yellow tinge.