fulgurite - set of natural glass tubes formed by lightning strikes on sand The dolomitic limestone was burned

The dolomitic limestone was burned to produce carbon dioxide for the carbonation process at the company's plant on Searles Lake

and is frequently found in schists that formed at medium to high pressures and lower temperatures in areas of regional metamorphism

where there is an often tourist-visited green sand beach

Because kaolinite does not absorb water

including from this mine

fulgurite - set of natural glass tubes formed by lightning strikes on sand The dolomitic limestone was burnedFulgurites form when a lightning bolt strikes the earths surface, fusing the material into a glass tube, sometimes with a hollow center. When lightning strikes sandy soil, the air and moisture in the sand are rapidly heated. Quartz sand melts at a temperature of roughly 1600C to 2000C depending on the moisture content. The name comes from the Latin fulgur, for lightning. These were collected from a Sahara dune field in Morocco. Though the seller did