More information. A metamorphic rock is a result of a transformation of a pre-existing rock. The original rock is subjected to very high heat and pressure, which cause obvious physical and/or chemical changes.Examples of these rock types include marble, slate, gneiss, schist.ore information. A metamorphic rock is a result of a transformation of a pre-existing rock. The original rock is subjected to very high heat and pressure, which cause obvious physical and/or chemical changes.
A pentacle (also spelled pantacle in Thelema, following Aleister Crowley) is an amulet used in magical evocation, generally made of parchment, paper or metal (although it can be of other materials), on which the symbol of a spirit or energy being evoked is drawn.his form of pentacle is formed upon a disk which may be used either upon an altar or as a sacred space of its own. The pentacle is representative of the Earth in occult usage.
1 The symbol's popularity with Goths is partly due to the fact that it is on the cover of the Vision Thing CD by The Sisters of Mercy.)  pentacle (The pentagram is a five pointed star -- a pagan symbol for fire, earth, air, water, spirit. The pentacle is basically a pentagram with a circle around it.