Former Curator of Mineralogy and Petrology. MSc in Volcanology. Views are my own.
Erika Anderson
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Can you see the dragonfly-like insect in this rock? It’s a Mischoptera, a Paleozoic insect!! #FossilFriday ⚒️🧪
The answer to this Guess the Gem is analcime!! This one is from Mont Saint-Hilaire, where massive crystals have been found. #GuessTheGem #GeoscienceBluesky ⚒️🧪💎
Another Guess the Gem!! What mineral do you think this gem is? Hint: it forms a series with pollucite. #GuessTheGem #GeoscienceBluesky ⚒️🧪💎
Grape chalcedony, made up of quartz and moganite, from Indonesia. Another one that looks like candy, but no eating!! #MineralMonday #GeoscienceBluesky ⚒️🧪
Museums hold collections for a reason: “Perhaps, he says, the next big breakthrough in charting our solar system’s deepest history won’t come from exploring some distant world but rather from studying samples of space rocks …from a drawer in a museum.” www.scientificamerican.com/article/rare...
These skull pieces of Mosasaurus hoffmanni make up the first Mosasaur skull found all the way back in 1780!! #FossilFriday⚒️🧪
The answer to the Guess the Gem is padparadscha sapphire!! This is the pink orange variety of sapphire, the more commonly blue variety of the mineral species corundum. #GuessTheGem #GeoscienceBluesky ⚒️🧪💎
Look at the colours in these opal nodules!! These are in rhyolite, a type of volcanic rock. #MineralMonday (well Mineraloid Monday) #VolcanoMonday #GeoscienceBluesky ⚒️🧪🌋
When we want to know what the rocks are under our towns, we use a special drill that can collect long cylinders of rock hundreds of feet below the surface. This core, collected under Reading, punched through a fossil layer, scooping up ancient shells and even a beautiful sea urchin! #fossilfriday
Guess the Gem time!! What mineral or variety do you think this gem is? Hint: this variety is typically associated with the colour blue. #GuessTheGem #GeoscienceBluesky ⚒️🧪💎
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Hints of high-pressure chemistry within a rare meteorite suggest this fallen space rock comes from a planet gone wrong in the solar system’s early history
Another Guess the Gem!! What mineral do you think this gem is? Hint: it forms a series with pollucite. #GuessTheGem #GeoscienceBluesky ⚒️🧪💎
Erika Anderson
Dr Thomas Clements
Erika Anderson
Guess the Gem time!! What mineral or variety do you think this gem is? Hint: this variety is typically associated with the colour blue. #GuessTheGem #GeoscienceBluesky ⚒️🧪💎
