http://krylo-ff.livejournal.com/ ([identity profile] krylo-ff.livejournal.com) wrote in [personal profile] prokhozhyj 2020-10-30 10:35 am (UTC)

Так она и сейчас выделяется в свободной форме непрерывно. В составе минералов её очень даже много. Халцедон видели? Так вот, оксид кремния остался, а вода испарилась...
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