A NEW UNDERSTANDING OF HOW SEAM OPAL IS MADE IN NATURE
[sc_fs_multi_faq headline-0=”h2″ question-0=”1. What is the primary source of the silica that forms Australian seam opal?” answer-0=”According to the research, the silica source is Diatoms. These are tiny, single-celled algae that live in “houses” made of transparent opaline silica. When these organisms died in the ancient Eromanga Sea, they sank to the bottom, creating thick … Read more