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.
2. The most common difference between a pentagram and a pentacle is that a pentacle is an altar tool whereas a pentagram is not.A pentacle is a five-pointed upright star with a circle around it, whereas a pentagram is a five-pointed upright star without a circle.. The most common difference between a pentagram and a pentacle is that a pentacle is an altar tool whereas a pentagram is not. A pentacle is a five-pointed upright star with a circle around it, whereas a pentagram is a five-pointed upright star without a circle. Pentacle.