While quartzite is made almost entirely of mineral quartz, additional minerals can result in different colorings, making some slabs of quartzite lighter or darker or more varied in hue ...

Quartz is the second-most abundant mineral in the continental crust, and is present both as visible crystals, ranging in size from immense outcroppings weighing tons down to the grains of beach ...

Right: OH-defects in young (0.3 Gyr) Variscan granites are one order of magnitude higher than in old (0.9-1.8 Gyr) Proterozoic granites from Scandinavia . The OH-content is reflected in recent ...

Quartz, felspar and mica are found in pegmatite rocks, which are an important source of many critical minerals such as beryl, lithium, niobium, tantalum, molybdenum, tin, titanium and tungsten ...

The “quartz-monitor” research project investigates the intrinsic chemical variations of detrital monocrystalline quartz and inclusions (mineral and melt) as an innovative sediment provenance tool. The ...