Know all about Hyaloclastite and Oil shale properties here. All properties of rocks are important as they define the type of rock and its application. Hyaloclastite belongs to Igneous Rocks while Oil shale belongs to Sedimentary Rocks.Texture of Hyaloclastite is Pyroclastic whereas that of Oil shale is Splintery. Hyaloclastite appears Dull and Oil shale appears Muddy. The luster of Hyaloclastite is dull and grainy while that of Oil shale is dull. Hyaloclastite is available in brown, grey, yellow colors whereas Oil shale is available in black, brown, buff, green, grey, red, yellow colors. The commercial uses of Hyaloclastite are cemetery markers, creating artwork and that of Oil shale are an oil and gas reservoir.