All of our Mohs scale items include 9 of the 10 Mohs scale minerals (talc, gypsum, calcite, fluorite, apatite-triphylite, feldspar, quartz, beryl-topaz, corundum).
(All of our Mohs scale items; include; 9 of the 10 Mohs scale minerals)
All of our Mohs scale items
include
9 of the 10 Mohs scale minerals