All rocks are made of one or more minerals. Minerals are solid, naturally occurring substances with well-defined crystal structure and chemical compositions. Rock and mineral collecting is a popular ...
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Oldest Blue Pigment Reveals Ice Age Art May Not Have Been Just Red and Black 13,000 Years Ago
For fifty years, a small stone sat on display in a German museum. Catalogued in the 1970s as a simple “oil lamp” from the end ...
En mesurant dans le domaine visible les fréquences des oscillations de groupements d'atomes, la spectrométrie Raman permet de déterminer la nature et parfois la structure des édifices polyatomiques ...
Proactive financial news and online broadcast teams provide fast, accessible, informative and actionable business and finance news content to a global investment audience. All our content is produced ...
Coming from a mining family, I developed a love for rocks and minerals in all their splendid forms, alabaster to zinc. The most colorful locally are azurite and malachite, found together in small ...
This discovery led to the acquisition of a block of 36 EER covering an area of 17.4 km 2, which represents a new area of ...
Wear jeans and bring along a small pickax. Expect crowds, but don’t worry — crystal enthusiasts tend to be a genial, family-friendly lot. By Malia Wollan “If you’re looking for crystals, Arkansas is ...
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