Opened in 1893, Crystal Cave is located just north of Springfield, Missouri. After being for sale for quite some time, the new owners have reopened the local attraction with a few added features. Visitors can now shop in the gift shop, play a round of mini golf, or enjoy a trackless train ride filled with…
Upcoming Rockhounding Events in Georgia Explore Rockhounding in Georgia
Finding & Exploring the Rocks of Arkansas Nicknamed the ‘Natural State,’ Arkansas is a treasure trove of Rockhounding experiences. From digging for diamonds at Crater of Diamonds State Park to finding your own Quartz treasures in Hot Springs, there’s something for everyone in this great state. The geology of Arkansas is divided into two regions….
Rockhounding Events in Oregon Explore Rockhounding in Oregon
Rockhounding Events in Kentucky Explore Rockhounding in Kentucky
Rockhounding Events in North Carolina Explore Rockhounding in North Carolina
Upcoming Rockhounding Events in Virginia Explore Rockhounding in Virginia
Upcoming Rockhounding Events in Montana Sapphire (Corundum) Streak: Colorless Hardness: 9 Chemical Formula: Al₂O₃ Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminum oxide with trace amounts of elements such as iron, titanium, chromium, vanadium, or magnesium. It is typically blue, but natural sapphires also occur in yellow, purple, orange,…
Upcoming Rockhounding Events in Florida Agatized Coral Agatized coral occurs when silica in the ocean water hardens, replacing the limy corals with a form of quartz known as chalcedony. This long process (20-30 million years) results in the formation of a “pseudomorph,” meaning that one mineral has replaced another without having lost its original form….