Group I
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Dimension stone mining
| ||
Crushed and broken stone
| ||
Sand and gravel
| ||
Clay, ceramic and refractory minerals
| ||
Chemical and fertilizer minerals, including:
| ||
Barite
| ||
Fluorspar
| ||
Potash, soda and borate
| ||
Phosphate rock
| ||
Rock salt
| ||
Sulfur
| ||
Group II
| ||
Gypsum
| ||
Talc, soapstone and pyrophylite
| ||
Miscellaneous nonmetallic minerals, including:
| ||
Agate
| ||
Amethyst
| ||
Bituminous limestone
| ||
Bituminous sandstone
| ||
Burrstone
| ||
Calcite
| ||
Corundum
| ||
Cryolite
| ||
Diamond
| ||
Diatomaceous earth
| ||
Diatomite
| ||
Emery
| ||
Fill dirt
| ||
Garnet
| ||
Gemstones
| ||
Gilsonite
| ||
Greensand
| ||
Grinding peat
| ||
Grindstone quarrying
| ||
Jade
| ||
Merrschaum
| ||
Mica
| ||
Millstone
| ||
Muscovite
| ||
Natural
| ||
Abrasive
| ||
Oilstone oxokerite
| ||
Peat humus
| ||
Perlite
| ||
Phlogopite
| ||
Pipestone
| ||
Pozzolana
| ||
Precious stones
| ||
Pulpstone
| ||
Pumice
| ||
Pumicite
| ||
Quartz
| ||
Reed peat
| ||
Rubbing stone
| ||
Ruby
| ||
Sapphire
| ||
Scoria
| ||
Screening peat
| ||
Scythestone
| ||
Sedge peat
| ||
Semiprecious stones
| ||
Sharpening stone
| ||
Shredding peat
| ||
Topsoil
| ||
Tripoli
| ||
Turquoise
| ||
Vermiculite
| ||
Volcanic ash
| ||
Whet stone
| ||
Wurtzilite
| ||
Other nonmetallic minerals with marketable value
|