At temperatures of approximately 600˚C and pressure of approximately 5 kbar,the minerals muscovite and quartz react with each other and produce orthoclase feldspar,sillimanite,and water.Which mineral is the source of the water?
A)orthoclase feldspar
B)muscovite
C)sillimanite
D)quartz

Question

Quizplus · Accepted Answer

Muscovite is a hydrous mineral, meaning it contains water within its crystal structure. When it reacts at high temperatures and pressures, it can release this water, making it the source of water in the reaction described.

At Temperatures of Approximately 600˚C and Pressure of Approximately 5