By Bob Jones
The science mineralogy and the mineral collecting hobby lost one of their most active stalwarts and contributors when my good friend Richard...
By Bob Jones
Rock & Gem continues to celebrate the chemical elements since the United Nations declared 2019 the International Year of the Periodic Table...
The October issue of Rock & Gem takes us to many fascinating places, both above and below ground.
• Argentina's Banded Rhodochrosite: Centuries of Precipitation and...