Aragonite - Mineral tiny These environments create ideal conditions

These environments create ideal conditions for uncommon silicate minerals

The wood was then replaced with silica-rich minerals such as quartz

They had hard shells made of calcite

but in what it reveals about Earth’s final moments before the Cretaceous-Paleogene extinction—an organic time capsule frozen in stone

Aragonite - Mineral tiny These environments create ideal conditionsMined from: Santa Eulalia Mining District, near Aquiles Serdn (Chihuahua City area), Chihuahua, Mexico Description: This aragonite from the Santa Eulalia area in Chihuahua has that dense, lumpy build you see when minerals grow layer by layer in tight spaces. The surface is packed with small, sparkling crystals, giving it a rough, sugary texture, while the base shows rounded, bubble like forms stacked together. Youve got a mix of clean white and light