Orthoclase used in a sentence

Orthoclase in a sentence as a noun

It's funny how you can look at a simple item on that list, say, 'randomly generated musical instruments' and suddenly imagine a magma-powered tuba that menaces with spikes of microcline and which has an engraving of a dwarf and dwarves in orthoclase and rat leather relating to the founding of Doomedice on the Forgotten Glaciers of Terror in 1387...