A 660 kg, one-metre high geode containing amethyst crystals and sourced from solidified volcanic ash in Minas Gerais state of Brazil, was today officially welcomed to Canterbury Museum. The geode has ...
Sparkling hollows filled with lustrous crystals, dubbed geodes, are often perceived as small objects that can fit comfortably on a bookshelf. But some are more like gigantic cathedrals filled with a ...
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