potassiun feldspar, quartz, plagioclase feldspar,biotite, and amphibole.
They have an obsidian nearby for Catal Huyuk and for Jericho they already have imported obsidians.
Obsidian typically exhibits a streak that is white to very light brown in color.
about 7 or 7.5 with Mohs scale, like Quartz.
DENSITY : density is the ratio of mass and volume of the substance density=mass/volume RELATIVE DENSITY : It is the ratio of density of a substance to the density of water
To calculate the relative density of a substance, you divide the density of the substance by the density of water. The formula is: Relative Density Density of Substance / Density of Water. The relative density is a measure of how dense a substance is compared to water.
Mass = Density x Volume Density = Mass/Volume Volume = Mass/Density
Density is an intensive property.
thickness
the relation between relative density and density is that relative density of a substance is its density itself without its unit.
An object will float - on water for example - if its density is less than the density of water. Density = mass / volume.An object will float - on water for example - if its density is less than the density of water. Density = mass / volume.An object will float - on water for example - if its density is less than the density of water. Density = mass / volume.An object will float - on water for example - if its density is less than the density of water. Density = mass / volume.
Density is a measure of how much mass is contained in a given volume of a substance, while relative density compares the density of a substance to the density of a reference substance (usually water). Relative density is dimensionless and is often used to identify substances or determine their purity based on their comparison to a standard substance.