Sentences with phrase «single calcite»

Sea urchins have seemingly countless spines each made from a single calcite crystal.

This is best shown with the eyes, where even the single calcite crystal lenses survived intact.

Not exact matches

Unlike typical crystal structures like shells, which incorporate thousands of smaller, geometrically symmetrical crystals attached to each other, each spine on a sea urchin is a single large calcite crystal with its own convoluted shape.

Multiple forms often nucleated in a single experiment — at least one calcite crystal formed on top of an aragonite crystal while vaterite crystals grew nearby.