obsidian, a volcanic rock often used in jewelry and weapons, also used for spiritual purposes.
The texture should be rough to support ourselves for upward on stairs
it is cleavage
Pavement or smooth rock runoff affects waterways because they create more impervious surfaces.
I'm thinking it's obsidian.
Metamorphic rock can be coarse grained or fine grained.
Smooth and shining; reflecting luster from a smooth surface; highly polished; lustrous; as, glossy silk; a glossy surface., Smooth; specious; plausible; as, glossy deceit.
Bechamel is glossy due to the fat in the butter and smooth from the expanded gluten in the flour.
Shiny and smooth.
Obsidian rock is simply cooled liquid magma or "lava". Obsidian rock is jet black with a very smooth texture and glossy appearance.
satin
polish
obsidian is an igneous rock, it is not formed from sediment, or a rock going under heat and pressure for the second time it is formed when a volcano erupts and it cools very quickly giving it a smooth glossy surface like glass.
bright. shiny, smooth, gleaming, brilliant
It gives a smooth, glossy effect
It is desirable because with smooth glossy pages your fingers wont be able to turn the page properly which if it is rough pages your fingers can stay and turn the page properly
yes, it means smooth or glossy leather upper
The texture should be rough to support ourselves for upward on stairs