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October 1, 2018
Monday Geology Picture: Tantalite Specimen
For this week’s picture, here’s an image of a tantalite mineral specimen. I snapped this picture when I visiting a university last week — the mineral stood out for me amidst a collection of numerous rocks and minerals that were on display for geology students. I’d seen tantalite before — I’ve observed it under the microscope in heavy mineral concentrates. However, I’d never seen such a big example of it …