Optical Calcite - Iceland 8ddc005673de0cf4d14174a9d6430b30 Made from natural Selenite

Made from natural Selenite

'a shelled sea animal similar to a nautilus'

and pink chatoyance over a semi-transparent grey body

It was believed by both ancient Romans and Greeks

Optical Calcite - Iceland 8ddc005673de0cf4d14174a9d6430b30 Made from natural SeleniteCalcite 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