serpentine
eklemetti | July 5, 2010
Serpentine (as known as serpentinite), the current (and potentially soon-to-be ex-) state rock of California.
This does not have a direct connection to volcanoes, but it sure is about geology and the science in the news. State Senator Gloria Romero of California has sponsored a bill to change the California state rock from serpentine because, as she claims:
"[Serpentine] contains the deadly mineral chrysotile asbestos, a known carcinogen, exposure to which increases the risk of the cancer mesothelioma ... California should not designate a rock known to be toxic to the health of its residents…