"Gary Green" Petrified Swamp Bog Woolly Mammoth This effect makes Quartz very

This effect makes Quartz very useful for radio

Author Fred Ward notes that pearls were most certainly the world’s first valued gemstone

Colors or inclusions in Quartz are due to the presence of other minerals (particularly iron)

replacing or bonding with the organic material

"Gary Green" Petrified Swamp Bog Woolly Mammoth This effect makes Quartz veryBetween 11 15 million years ago, during the Miocene time period, a volcano located near what is now called McDermitt, Oregon erupted, spewing ash and debris over a widespread area. That ash, contained a combination of iron, aluminium, potassium, sodium and calcium, which covered everything for miles around, including shallow wetlands. Cattails, fish, amphibians and all other life in those wetlands (bogs) were suffocated by the ash and immediately