Rough Optical Calcite with Inclusions / 1.5-2.5" AVG - 1 KILO LOT Menu pendant on cord Honey calcite derives its color

Honey calcite derives its color from iron ions caught in the crystal lattice while it forms

Avg Size Range: (17 by 12 centimeters)

Silver Bail Black Obsidian Crescent Moon Pendant

Origin: Brazil

Avg Size Range: (30 to 35 millimeters)

Rough Optical Calcite with Inclusions / 1.5-2.5" AVG - 1 KILO LOT Menu pendant on cord Honey calcite derives its colorQuantity: 1 kilogram 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.