These are the Crystal Mountains between the oasis Bahariya and Farafra, northern of the White Desert, Egypt, Africa. The Crystals are said to be either Barite and/or Calcite crystals . Nature is Awesome!
A stunning Tourmaline specimen from the Pederneira mine in Minas Gerais, Brazil. The photo is by German photographer Malte Sickinger - Tourmaline Crystal Structure / Watermelon Tourmaline / Rocks / Gems /
The largest gold nugget ever found was the 'Welcome Stranger'. it weighed 272 lbs and was was discovered in Victoria, Australia in This is a plaster cast of the nugget, which had to be struck in two before it fit on the scale.