Streak_plate_mineral

Minerals Streak

August 7, 2019 admin 4

The color of a mineral in powdered form, called streak, is often useful in identification. A mineral’s streak is obtained by rubbing it across a […]

What Is Metamorphism?

July 22, 2019 admin 1

Unlike some igneous and sedimentary processes that occur in surface or near-surface environments, metamorphism most often occurs deep within Earth, beyond our direct observation. Notwithstanding […]

Mineral Strength

July 16, 2019 admin 4

How easily minerals break or deform under stress is determined by the type and strength of the chemical bonds that hold the crystals together. Mineralogists […]