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@volcaniclastic Q4 #4. Quartz and cristobalite are considered to have similar toxic potencies but my research shows good reasons why cristobalite from volcanoes may be less toxic. https://t.co/uxCCD2sDPQ.
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@volcaniclastic Qu3 2c. I have spent much of my career trying to understand if 🌋 silica is toxic. The answer is that there are some very good mineralogical reasons why it may not be as toxic as some other forms of crystalline silica but it’s yet to be prov