A researcher cleans a dinosaur bone at the ‘fossil wall’ in Puan Township. Photo: Xinhua Scientists have unearthed a large dinosaur...
Deep Color Veszelyite Crystals from Montana
Photo credit: Gianfranco Ciccolini Veszelyite A rare secondary Cu-Zn mineral occurring in the oxidised zones of base metal deposits. ...
Origins of Cu-Pb-Zn-bearing and W-bearing Granites
Minerals in Granite The Nanling Range of South China is world famous for its widely developed multiple-aged granitic magmatism and re...
Pleochroism in Tanzanite
Tanzanite is noted for its remarkably strong trichroism, appearing alternately blue, violet and burgundy depending on crystal orientation...
Wonderfull Group of Orange Crystals of Astrophyllite
Photo Serge Lavarde Astrophyllite Formula: K 2 NaFe 2+ 7 Ti 2 Si 8 O 28 (OH) 4 F Colour: Bronze-yellow, golden yellow, brown...
The World's Largest Aquamarine Gem
The Dom Pedro aquamarine obelisk by gem sculptor Bernd Munsteiner The Dom Pedro aquamarine is the world's largest cut aquamarine ...
Flirtatious 100-Million-Year-Old Damselflies Found Frozen in Amber
The poor damsel fly was trapped while getting his groove on over 100m years ago CREDIT: DARAN ZHENG It was all going so well. 100-mill...
De Beers: A New Ship to Explore for Seafloor Diamonds
The mv SS Nujoma The diamond hunter sets sail: World's largest gem finding vessel De Beers has officially launched the mv SS N...
Volcanic Eruptions Triggered Dawn of the Dinosaurs
The argon-argon dating method can provide more precise absolute dates for many geologic events, ranging from volcanic eruptions and earth...
Splendid Olivenite Crystals from Greece
Photo Tóth László Olivenite is one of the most common minerals in the earth, and is a major rock forming mineral. Despite this, go...
Fabulous Azurite with Malachite From France
Azurite often occurs with green Malachite, which may form green stains or specks on Azurite crystals or aggregates. The two minerals so...
Gorgeous Rhodochrosite Crystals From South Africa
Rhodochrosite | #Geology Formula: MnCO 3 System: Trigonal Colour: Pink, rose, red, ... Lustre: Vitreous, Pearly Hardness: 3½ - ...
The Largest Meteorite Ever Found in the United States
The Willamette Meteorite on display at the American Museum of Natural History in New York City. The Willamette Meteorite weighs 15.5 ...
How Is Aura Rainbow Quartz Made?
Credit : Nathan Almeyda Aura quartz is quartz that has been enhanced with a combination of titanium and niobium. Metal-coated crysta...
Ancient Magma Crystals Could Help Us Predict Eruptions
Zirkon Kristalle in Matrix. Credit: crystal-treasure Volcanologists are gaining a new understanding of what’s going on inside a shal...
Rare Huge Green-blue Opal Found in Nevada
Image credit: Chip Clark The Roebling Opal is an extraordinary 2,585-carat piece of opal rough and is also the largest unpolished ...
Radioactive Elements in New Mexican Rock Reveal Longest Earthquake Record
White calcite deposits in rocks from a fault line in New Mexico helped scientists create a record-long earthquake record. Photo by Laurel...