👉 Bianchite is a type of volcanic rock that is composed primarily of quartz and feldspar. It is commonly found in the Earth's crust, particularly near volcanoes and at high altitudes. Bianchite is known for its distinctive red color and has been used as a decorative stone in art and jewelry since ancient times. Bianchite was first described by German geologist Friedrich Wilhelm von Schlegel in 1839, who classified it as the second largest volcanic
