Best Answer: Butterscotch is a type of confectionery made by boiling sugar syrup, butter, cream, and vanilla. In many ways the ingredients for butterscotch are similar to toffee; the major difference is that the sugar is boiled to the soft crack stage for butterscotch and the hard crack stage for toffee.
The simplest minerals, such as graphite and diamond, contain only. one chemical element. Minerals such as these are called native elements. Other native elements that have been found in Pennsylvania include. sulfur (S), copper (Cu), and very rarely, silver (Ag) and gold (Au).
CALL US NOW: +45 96 90 96 90. Home | Mining | Copper ores. The main copper sulphide minerals are chalcopyrite (CuFeS2) chalcocite (Cu2S), covellite (CuS), bornite (Cu5FeS4), tetrahedrite ((Cu,Fe)12Sb4S13) and enargite (Cu3AsS4). The largest source of copper is from porphyry ore deposits in which one or a combination of the aforementioned minerals occurs. A typical copper sulphide ore contains various levels of iron sulphide types that generally include pyrite (FeS2) and pyrrhotite (Fe1-xS).