The Physical Properties of Rocks in Blawan-Ijen Sempol District Bondowoso Regency

Physical properties are the property of a rock after being tasted without damaging the rock. This research aims to describe the physical properties of rocks in Blawan-Ijen, including rock texture, rock density and rock porosity. The method of collecting data is carried out directly, namely conducting direct research in the field and indirect research by conducting library research. The physical properties of the rocks in Blawan-Ijen have a smooth and rough texture, holocrystalline, light and dark colors, and compact. The density value is relatively high, so it has a fairly high density and resistance. In contrast, the porosity value of the rocks in Blawan-Ijen has three categories: poor porosity, very poor porosity, and high porosity. The texture of the rocks in Blawan-Ijen is smooth, holocrystalline, has small cavities and dark in color.