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Science & Medicine

The Llanite Dike

History of the Earth by Richard I. Gibson

May 27, 2019Science & Medicine

Mineral Monday + Tectonic Tuesday. Blue quartz is uncommon and is usually colored by inclusions of unusual minerals like crocidolite, tourmaline, or dumortierite. The purplish-blue quartz here, from north of Llano, Texas...

About This Episode

The Llanite Dike is an episode from History of the Earth by Richard I. Gibson. Mineral Monday + Tectonic Tuesday. Blue quartz is uncommon and is usually colored by inclusions of unusual minerals like crocidolite, tourmaline, or dumortierite...

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Published May 27, 2019.

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