Metallic Deposits

A rare glimpse of the cave of crystals A rare glimpse of the cave of crystals- The BBC reports on Mexico’s Cave of Crystals, containing some of the largest natural selenite structures ever found. Oregon Coast Agate Oregon Coast Agate- Rockhound's Guide to collecting/beachcombing Oregon Coast Agate. Alkali-Nuts: Mont Saint-Hilaire Alkali-Nuts: Mont Saint-Hilaire- Located East of Montréal, in Mont Saint-Hilaire and has become a major collecting site of rare mineral specimens. Offers mineral and assemblage gu… Oman Virtual Field Trip Oman Virtual Field Trip- Site designed for an education aid to students, but contains many excellent slides showing the geology of Oman. See dolerite dykes, harzburgite, and chann… Ron Coleman Mining, Inc. Ron Coleman Mining, Inc.- Quartz crystal at the Arkansas' Old Coleman Mine. Gem and Mineral Exploration Company Gem and Mineral Exploration Company- The gold mines and miners of Cripple Creek, Teller County, Colorado, USA. Minerals of Australia and New Zealand Minerals of Australia and New Zealand- Information about the minerals and mineral locations in Australia and New Zealand. Wegner Quartz Crystal Mines Wegner Quartz Crystal Mines- Arkansas' natural quartz crystals mine. Sheffield Mine Sheffield Mine- A native mine yielding star rubies, sapphires and garnets, for both the serious and the amateur rockhound.