1 Paint-there are dozens of quality brands available, and for a room in the size described it will require two full gallons to cover the walls. 2  The better paints will cost between $30 and $50 per gallon, and will come as flat, semi-gloss, or glossy finish.
Foliation is the result of the parallel arrangement of (micas, etc.) in a plane perpendicular to the maximum principal applied stress. A lineation is caused by a similar growth of elongate minerals (eg. hornblende) in this plane. Slate, schist, and gneiss are three common foliated metamorphic rocks.
Schist Rock Facts. Schist is a metamorphic rock that contains flakes of mica. Schist can originate as a sedimentary rock or igneous rock. It can contain different miners. Interesting Schist Rock Facts: Schist and slate are very similar in that they are made from the same rock types except schist is subjected to more heat and pressure.