were considered comparable in quality to the famous Carrara marble quarries of Italy. Discoverer and namesake L.R. Ligier noted the black, weakly marbleized limestone with white calcite stringers ...

Stuck deciding between granite and marble for your new kitchen countertops? We asked some experts for their insight on ...

These 30 photos showcase the most mind-blowingly gorgeous, almost unreal places our world has to offer. Bolivia’s Salar de ...

After four years of closure, Crystal Cave is reopening this month in Sequoia National Park. Learn why it was closed, how to ...

The cave, formed in 200 million-year-old marble, features unique geological ... make the half-mile loop trek to witness the glittering calcite formations. “The opening of Crystal Cave is a ...

A walk through the drip-echoed walls of the marble-carved Crystal Cave establishes ... the half-mile loop trek to witness the glittering calcite formations. “The opening of Crystal Cave is ...

Sky-blue material is produced in the Bai Son and Lung Thin areas, as well as near Bai Gau (Senoble, 2010). In Luc Yen, rough spinel crystals occur in dolomitic marble with calcite, phlogopite, humite, ...