Scientists have discovered a completely new type of opal formed by a common seaweed which harnesses natural technology by self-assembling a nanostructure of oil droplets to control how light reflects ...
Opals, as hydrated forms of silica, encompass a wide range of materials formed by both biogenic and diagenetic processes. The genesis of opal involves precipitation from silica‐rich fluids and ...
Sources indicate that in the early 1990s opal, a typical gemstone surfaced in Mezezo, North Shoa Zone of Amhara State. The type of gem was called Chocolate opal because of the chocolate colour inside ...
Scientists have discovered a completely new type of opal formed by a common seaweed which harnesses natural technology by self-assembling a nanostructure of oil droplets to control how light reflects ...
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