How to distinguish between basalt and rhyolite in the wild
The rhyolite is composed of potassium feldspar and quartz, and the crystal shape is square plate, with glass luster, but cleavage. Is a gray, pink or brick red rock with a plaque structure and a stripe structure.
Basalt is the main component of sodium aluminosilicate or calcium aluminosilicate, silica content of 45% to 52%, also contains high iron oxide and magnesium oxide, is a dense dense black rock.
Basalts and rhyolites are igneous rocks that are ejected from volcanoes or spilled from the surface fissures.
