Fossilized Clams dde05122811c66e411b14f6a4c175e6d and weighed 13

and weighed 13

Like other Pueblo peoples

it is a silicon dioxide crystal

Fossil bones are created by the slow replacement of bone molecules with the molecules of minerals in ground water

Fire opal is a transparent to translucent opal

Fossilized Clams dde05122811c66e411b14f6a4c175e6d and weighed 13Clams are a very good example of what is referred to as a "living fossil", as they are one of the few species that have survived the tests of time. Clams have been an abundant food source for humans and many sea creatures for millions of years. They are a bi hinged creature that burrows itself into the sediment of our water systems, feeding upon plankton by a simple yet efficient filtering system. In 2007 it was reported that a live clam was caught