Snowflake obsidian is a form of volcanic glass that features white or grayish “snowflake” shapes made of embedded ... glassy rock that’s typically black, although it can take on hues of ...

If you fold a piece of paper and cut or punch a hole in it, you can create a radial snowflake-like shape ... Additionally, if you select the white button from the black and white buttons above ...

The anatomy of snowflakes has been studied for hundreds of years. But just what is it that makes one snowflake differ from ...