Clam - Fossil Quality:Standard Chemical Composition: PbMoO4

Chemical Composition: PbMoO4

Pyrite crystallizes in the isometric system

but don't let that fool you

Quantity: 10 pc Set

Clam - Fossil Quality:Standard Chemical Composition: PbMoO4Origin: Madagascar Era: Jurassic Cretaceous Geographic Age: 150 mya Description: Bivalves have no head, and they also lack a radula. They include clams, oysters, cockles, mussels, scallops, and numerous others that live in saltwater, as well as some families that live in freshwater. The majority are filter feeders. The gills have evolved into ctenidia, specialized organs for feeding and breathing. Most bivalves bury themselves in sediment, where they