Rust occurs when iron oxidizes, or acquires oxygen atoms. Bornite is an ore of copper that oxidizes to a beautiful iridescence, changing color when viewed from different angles.
Cool rocks and minerals
Watermelon tourmaline has been said to be a stone of reconciliation, a stone that fosters compassion and cool headedness, radiates the energy that attracts money, healing and friendship while stabilizing, grounding and reaffirming our Earth roots.
Spider Web Carlin Turquoise by LostSierra, via Flickr
Yowah Nut Opal- Australia More
Soap Rocks Crystal Soap at Free People Clothing Boutique...Just cool! $13
Tanzanite from Merelani Mines, Arusha, Tanzania [db_pics/new2011/Tanzanite-MerelaniHills-53mm-Tanzania-53mm-JB309-14.jpg]
Such Amazing Colors
chasingthegreenfaerie: Druzy Drusy Chrysocolla - 5 by FenderMinerals on Flickr