Optical Calcite - Iceland 8ddc005673de0cf4d14174a9d6430b30 Dave was one of the

Dave was one of the first collectors of these fossil nodules

Made from natural Selenite

'a shelled sea animal similar to a nautilus'

these artifacts are an early representation of the so-called Bronze Age

It was believed by both ancient Romans and Greeks

Optical Calcite - Iceland 8ddc005673de0cf4d14174a9d6430b30 Dave was one of theCalcite is one of the most common minerals which grows in a wide variety of different shapes, colors and translucencies. The mineral itself actually belongs to a calcite group of "related carbonates" that are "isomorphous" with each other. All members of the group crystalize in triangular formations, have perfect rhombohedron cleavages, and in transparent rhombohedrons, display strong double refractions. Aragonite and Calcite are similar in chemical