Ruby in Marble Matrix Fan Briolettes measure approximately 12x9-14x10mm in size, have a glass-like luster, the crackled feathering of the matrix stone gives the bead a fair polish quality, the excellent gem faceting creates a symmetrical shape with generous 4mm depth, the gem colors are a grey marble with tiny grey-black inclusions common to marble, a creamy veining and the ruby gem which has grown within the parent stone, and these opaque beads show a unique view into the early creation of these precious gems.