Kunz, George Frederick, 1856-1932 · Philadelphia ; London : J.B. Lippincott · leaf 257
ON THE VIRTUES OP FABULOUS STONES 193 … Brontia. Fossil sea urchins. From Mercati’s “ Metallotheca Vaticana,” Romse, 1719. astroites, but was shaped like a five-pointed star. As with the trocJiites, chains of these little stars were found, closely joined together but separable from one another. Some called them star-seals,’’ because the…
