Found all over the world, calcite is the most stable form of calcium carbonate and is the main mineral found in limestone. We find calcite in the ocean, in shells or hard parts of marine organisms ...

Close to the eastern edge of San Diego County, Anza-Borrego’s Calcite Mine trail offers a wealth of desert beauty — vast views, painted hills, a little history and one of the coolest slot canyons.

Distance from downtown San Diego: 104 miles. Allow almost 3 hours’ driving time (Anza-Borrego Desert State Park). From Ramona, drive east on Hwy 78, turn left on Hwy 79, right on San Felipe Road (S2), ...

A prominent Iranian researcher and scientist, Majid Mollanadali Pishnamaz, has discovered a unique luminescent (phosphorescent) variety within the calcite family.

Tucked away on a high shelf in the collections room of the Museum of Science is a startlingly unique rock specimen. It is white with long jutting crystal arms and made of a fragile mineral called ...