Weight: 421g or 14.8 oz. This labradorite sphere from Madagascar has big, bold, beautiful flashes of deep pinks, purples, yellow, and blue with dark black and white veins. Labradorite is a triclinic, plagioclase feldspar mineral renowned for labradorescence—an optical effect displaying brilliant, shifting colors (pinks, purples, blue, yellow) caused by light reflecting off internal, microscopic layers.