Abstract: Evaluating the origin of garnet, cordierite, and biotite in granites provides important insight into closed- and open-system magma evolution. We present field, textural, major- and ...

Red garnet is one of the most common and widespread of gems, found in metamorphic rocks (which are rocks altered by heat and pressure) on every continent. But not all garnets are as abundant as the ...

At first, the sheer number of garnet varieties can seem bewildering. It helps to think of the different types of garnets in terms of color. Pyrope and almandine range in color from purple to orangy ...

Garnet, a deep red-coloured mineral ... as a record of the pressure and temperature history of the metamorphic rocks in which they form, making them hugely valuable for deducing how and when ...

Calling all January Capricorns and Aquariuses: your month has arrived! Beyond ringing in the new year, January also brings many birthday celebrations. Looking for gift ideas for a friend or loved one?

Sand Point Beach turns pink as garnet in the rock layers of the Pictured Rocks ... Garnets are often thought of as red gemstones, but the heavy mineral comes in a variety of colors and can be ...