Grey Granite – Scotland
Grey granite rock specimens from Scotland, featuring the main mineral components expected in granite such as quartz, feldspar and mica. The quartz is slightly smokey, giving the specimens an overall grey appearance. Available in 3 optional size.
Grey granite found in Scotland, typically, granite is a coarse granite intrusive igneous rock and as with granites, it is composed of three main mineral constituents; quartz, feldspar and mica. In the case of these grey granite specimens, the quartz appears to be a slightly smokey colour and as quartz is the main composite mineral, along with the presence of biotite mica and plagioclase feldspar, these specimens of granite have a overall grey colouration to them. These specimens are available in 3 optional sizes and come in a sized card tray with an information label, suitable for collections and for use in education.