Tanzanite
Ruby stone
Silica sand and frac sand
Emerald
Giant pearl
Calcium carbonate, calcium oxyde, hydrated lime
Raw copal amber, copal amber
Pearl gemstones
Opal
Raw baltic amber
Natural ruby
Betel nut and blue sapphire gemstones
Colombian emerald stones
Emerald
Quartz sand
Lime stone and gypsum
Quicklime, calcium oxide
Rough opal mines
Zircon sand
Amour rocks, boulders aggregates