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