Mohs scale: The ten-point scale of mineral hardness, keyed arbitrarily to the minerals talc, gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum, and diamond.
(The ten-point scale of mineral hardness; keyed arbitrarily; to the minerals talc, gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum, and diamond) Context(The ten - point scale of mineral hardness keyed arbitrarily,List([12, 70))):(Mohs; scale; )
The ten - point scale of mineral hardness keyed arbitrarily,List([12, 70))
The ten-point scale of mineral hardness Mohs
keyed arbitrarily scale
to the minerals talc, gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum, and diamond