Good Geode

Layered glass polished to a flat surface in the manner of a natural gem stone. In nature they are sedimentary structures formed from volcanic rock. In our world, they are created on the Italian Isle of Murano. This rare example is a muted masterpiece of taupe, grey, and even a hint of plum at its center... from the "Alabastro" line by Archimede Seguso, 1950s