The Cave of Crystals is an underground cavern filled with tree-size gypsum crystals, including some of the largest natural crystals ever found. The cave is located around 980 feet (300 meters) deep ...

Deep below a mountain near Naica, Mexico, miners searching for fresh ore deposits in 2000 came across an unexpected and awesome sight. Massive, milky-white crystals towered around them, filling a ...

Giant crystals that can reach sizes larger than houses grow at incredibly slow rates, taking as long as a million years to reach more than two stories tall, scientists now find. Crystals made of ...

Huge, milky-white beams of gypsum (CaSO 4 ·2H 2 O) fill the Cave of Crystals near Naica, Mexico. For nearly a million years, conditions within the cave 290 m underground were perfect for the growth of ...

BOSTON (AP) — In a Mexican cave system so beautiful and hot that it is called both Fairyland and hell, scientists have discovered life trapped in crystals that could be 50,000 years old. The bizarre ...

Scientists have discovered the initial stages by which gypsum crystals form. Gypsum is a naturally occurring mineral which is often used in industrial processes and which in nature, if left alone for ...

We combine newly determined isotope fractionation factors of gypsum precipitated in the laboratory with the isotopic compositions of natural anhydrite and gypsum to unravel the sulfate sources of the ...