Tag: iron
Minerals Used in Everyday Life
Minerals used in everyday life are more common than you think. Many are unaware of what goes into the “built environment” surrounding them, how...
Minerals & Metals of the Bible
Minerals and metals in the Bible are referenced more than 1,700 times, using such familiar terms and phrases as "fire and brimstone," "pieces of...
What are Iron Minerals?
What are iron minerals? Iron plays a large role in our earth’s history. Understanding iron and magnets helps us unlock a deeper understanding of...
Mineral of the Week: Understanding Axinite
By Antoinette Rahn
Many specimens may carry the name axinite. But in actuality, axinite describes a group of similar and closely related but slightly different...
Geology 101: Weathering and Chemical Erosion
By Jim Brace-Thompson
Chemical erosion involves weathering done by interactions between chemicals in water (usually a dilute form of acid, as in acid rain) and...
Suspenseful Discovery of Elements
By Bob Jones
Rock & Gem continues to celebrate the chemical elements since the United Nations declared 2019 the International Year of the Periodic Table...
Earth Science In the News: ‘Old Woman’ Meteorite At UCLA
By Jim Brace-Thompson
Earthquake Prevention: Not So Easy as Once Thought
The February 2 issue of Science News Magazine reports how 50 years ago, the Federal...
Rock Science: Pyrolusite and Manganese
By Steve Voynick
Manganese is an element that we rarely, if ever, see in its metallic state, but that nevertheless plays a big part of...