Chalcopyrite displays an elegant, metallic golden-bronze color. When oxidized, you may find pleasantly surprising, iridescent shades of pink, blue, and purple!
Title: The Don’t Die Out There Card Deck
Author: Christopher Van Tilburg
You can't do better than The Don't Die Out There Deck, a compact deck of playing cards that tucks easily into any backpack or pocket. From construction of emergency shelters and ev
