"Most of the marsh plants are seeded on fine grain sediment which include quartz and clays."

Common dielectric materials include glass, quartz, ceramics and polymers.

Other natural resources include forest products, petroleum, natural gas, copper, and quartz.

Such compounds include quartz, diamond, and silicon carbide.

Minerals in this series include zeolites, albite, and quartz.

Evidence for the impact origin of the crater includes shocked quartz, a gravity anomaly, and tektites in surrounding areas.

There are about 1,600 million tons of coal deposits, other mineral deposits include quartz, limestone and clay.

Minerals associated with graphite include quartz, calcite, micas and tourmaline.

The classic example is diamond; other examples include silicon, quartz and graphite.