Rocks and Minerals What makes gemstones so brilliantly colored — spoiler alert, it’s physics September 5, 2024
Rocks and Minerals Slate: characteristics, properties, uses April 10, 2024 - Updated on April 15, 2024
Rocks and Minerals Nonsilicate minerals — the underdogs of geology March 27, 2024 - Updated on April 2, 2024
Rocks and Minerals Amorphous “minerals” — what happens when geology goes out of order March 27, 2024 - Updated on April 2, 2024
Rocks and Minerals The power of ‘healing’ crystals: what they can and can’t do March 25, 2024 - Updated on April 2, 2024
Rocks and Minerals The properties of minerals: From hardness to luster March 23, 2024 - Updated on April 2, 2024
Rocks and Minerals Silicate minerals: the building blocks of the Earth March 17, 2024 - Updated on March 19, 2024
Rocks and Minerals The seven types of crystals — the stunning geometry that comes from an atomic lattice March 15, 2024 - Updated on March 22, 2024
Rocks and Minerals The most valuable minerals — and why they matter so much March 15, 2024 - Updated on April 2, 2024
Rocks and Minerals How do minerals form? Everything you need to know March 15, 2024 - Updated on March 19, 2024
Rocks and Minerals How to collect rocks — the comprehensive guide for the amateur geologist March 4, 2024
Rocks and Minerals Gypsum: mineral characteristics, properties, uses February 24, 2024 - Updated on February 27, 2024
Rocks and Minerals Pressure in geology: How pressure plays a key role in rock formation February 24, 2024 - Updated on February 29, 2024
Rocks and Minerals What are crystals? What the science says February 23, 2024 - Updated on February 27, 2024
Rocks and Minerals The role of temperature in forming rocks February 22, 2024 - Updated on February 29, 2024
Rocks and Minerals What’s the difference between rocks and minerals February 20, 2024 - Updated on February 28, 2024
Rocks and Minerals Hematite: mineral characteristics, properties, uses February 7, 2024 - Updated on February 13, 2024
Rocks and Minerals Pyrite: mineral characteristics, properties, uses February 6, 2024 - Updated on February 9, 2024
Rocks and Minerals Feldspar minerals: properties, types, uses January 21, 2024 - Updated on January 23, 2024
Rocks and Minerals The Mica minerals: geology, characteristics, types, and uses January 19, 2024 - Updated on January 23, 2024
Rocks and Minerals What’s the difference between weathering and erosion? January 19, 2024 - Updated on January 23, 2024
Rocks and Minerals Calcite geology: mineral properties, crystal structure, uses January 17, 2024 - Updated on January 22, 2024
Rocks and Minerals The main types of minerals and their importance in geology January 12, 2024 - Updated on February 12, 2024
Rocks and Minerals Obsidian geology: nature’s black glass January 11, 2024 - Updated on January 12, 2024
Rocks and Minerals Shale geology: characteristics, formation, uses January 8, 2024 - Updated on February 12, 2024
Rocks and Minerals Gneiss: characteristics, formation, uses January 8, 2024 - Updated on February 13, 2024
Rocks and Minerals Limestone: characteristics, formation, uses January 7, 2024 - Updated on January 10, 2024
Rocks and Minerals Sandstone: characteristics, rock formation, and uses January 7, 2024 - Updated on March 19, 2024
Rocks and Minerals Quartzite: characteristics, formation, uses January 6, 2024 - Updated on February 13, 2024
Rocks and Minerals Granite geology: how granite forms, minerals, and composition January 4, 2024 - Updated on February 12, 2024
Rocks and Minerals What are the most common types of rocks? January 4, 2024 - Updated on February 14, 2024
Rocks and Minerals Metamorphic rocks: formation, types, examples January 4, 2024 - Updated on February 14, 2024
Rocks and Minerals Basalt: characteristics, formation, uses January 4, 2024 - Updated on February 13, 2024
Rocks and Minerals Marble geology: characteristics, formation, uses January 4, 2024 - Updated on January 8, 2024
Asteroids, meteors & comets Extraterrestrial rocks — the geology of our solar system January 4, 2024 - Updated on January 8, 2024
Culture & Society There’s a museum in Japan that honors rocks which resemble human faces October 21, 2023
Features How long before the world runs out of fossil fuels? March 27, 2023 - Updated on April 28, 2023
Rocks and Minerals Rock-solid geology puns that will make you erupt in laughter March 24, 2023 - Updated on February 12, 2024
Rocks and Minerals What’s behind lithium mining? Here’s all you need to know January 23, 2023 - Updated on May 9, 2023
Rocks and Minerals The bismuth crystal: why it looks so amazingly trippy and why it’s actually a big deal for science November 29, 2022 - Updated on April 30, 2023
Rocks and Minerals What is petrified wood, how does it form, and what is it good for? November 28, 2022 - Updated on April 30, 2023
Rocks and Minerals Earth, wind, and water: The types and formation of sedimentary rocks October 21, 2022 - Updated on February 12, 2024
Planet Earth What is Sahara dust and why does it matters so much for the Earth October 13, 2022 - Updated on May 1, 2023
