An curved arrow pointing right. Petrified wood is one of the most sought-after materials in the world for both its aesthetic value and its scientific value. But in Indonesia, miners who risk their ...

Whilst staying in Andamooka, South Australia, in 1966, searching for opals around the mouth of an opal mine ('noodling')I found a small stone tool made from petrified wood. The wood clearly shows ...

The wood is petrified, meaning that it has been turned to stone. For petrified wood to form, organic material is replaced by minerals - in this case iron and calcium carbonates - while the plant ...

While most come to see one of the world's largest concentrations of brilliantly colored petrified wood, many leave having glimpsed something more. The current 346 square miles of Petrified Forest ...

South Dakota producer Terry Springer has amassed a collection of ice age bones, teeth, petrified wood, stone tools and a host of unidentified geological specimens. Each year, erosion draws a ...

For European and American Stone Age peoples, end scrapers served as heavy- duty scraping tools that could have been used on animal hides, wood, or bones. Once the hide was removed from an animal ...

Nevertheless, behind these well-known tourist sites lie a number of hidden gems that are waiting to be discovered by adventurous tourists. Far from the madding crowd, these unknown places provide a ...

This got us thinking: Is there a difference between jewels and gems? To find out—and to uncover gemstone meanings—we chatted with jeweler Lisa Salzer, founder of Lulu Frost Jewelry and Charm’d by Lulu ...

It might even hold a deeper meaning ... it might be a “petrified forest.” Some experts disagree, claiming that, instead, though fossilized, this forest is preserved. The wood is closer to ...

Materials with relatively high thermal mass, such as stone, concrete, rammed earth, and brick, can absorb significant heat during the day and release it slowly when temperatures drop at night ...