East Villagers know this because, with all the snow and cold temperatures we've had lately, we've seen it first hand, such as these crystals I saw today while walking across St. Mark's Place:
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| Crystals forming on the sidewalk. |
The flat surfaces are called facets. They can form geometric shapes such as triangles, rectangles, and squares (seen above).
I feel like Bill Nye, the Science Guy!
#eastvillage #stmarksplace #crystals #billnye
