Earth's mantle is the thickest layer of the planet, extending from the base of the crust to the outer core at a depth...

Earth's crust is the thin, outermost solid layer of our planet and contains an extraordinary variety of minerals that...

Hydrothermal minerals are minerals that crystallize from hot, mineral-rich fluids circulating through fractures,...

Beryl is one of the most important gemstone mineral groups in the world. It includes several famous gemstones such as...

Garnet is one of the most diverse and widely recognized gemstone groups in the world. Although many people associate...

Turquoise is one of the oldest known gemstones and has been treasured for thousands of years because of its...