Opal https://kids.nationalgeographic.com/science/article/opal
October’s birthstone
Rock-solid facts Opals form over millions of years where hot, mineral-rich ooze—including
October’s birthstone
Rock-solid facts Opals form over millions of years where hot, mineral-rich ooze—including
Discover strange waters when you dive into these images of rivers, lakes, and other splashy spots from around the world.
NASA scientists have studied the river because similar mineral deposits might be
July’s birthstone
Rock-solid facts Rubies are a red form of the mineral corundum.
May’s birthstone
Like aquamarines, they’re a form of the mineral beryl.
December’s birthstone
Rock-solid facts Turquoise forms where mineral-rich water seeps into rocky gaps.
See pictures and read about Hot Springs National Park on National Geographic Kids.
ailments such as arthritis flocked to these relaxation stations, believing that the mineral-rich
Your actions make a difference!
Cell phones and computers contain a mineral mined from African habitats where gorillas
Get facts and photos about the 38th state.
Gold, uranium, and molybdenum (a mineral used to harden steel) are found in Colorado
Get facts and photos about the 49th state.
Natural Resources Alaska’s biggest export is the mineral zinc, but gold is its
Get facts and photos about the 1st state.
NATURAL RESOURCES One of the state’s most important natural resources is its mineral-rich