VIOLA Private Business ay isang tagapagbigay ng mga produkto at serbisyo tulad ng garnet,chamotte,haspe,andalusite,feldspar,kwats, natural,kwats, natural, granulated,kwats, natural, may pulbos,flint o tsert,diatomite, kieselguhr / tripolite,cristobalite,corundum,augite,at agata oniks,hornblende,olivine,mabundok na kristal,sillimanite / fibrolite,vermiculite,pangaskas,diamante, bort, carbonados,diamante, kulay, magaspang,diamante, walang kulay, magaspang,emeralds, magaspang,garnets, magaspang,jade, magaspang,lapis lazuli (lazurite), magaspang,malachite, magaspang,moonstones, magaspang,opals, magaspang,peridot, magaspang,rubies, magaspang,sapphires, magaspang,spinel, magaspang,tanzanite, magaspang,topasiyo, magaspang,turmalin, magaspang,turkesa, magaspang,sirkon, magaspang,chrysoberyl, magaspang,kulay-sitron, magaspang,beryl, magaspang,aquamarines, magaspang,amethysts, magaspang,amber, magaspang,alexandrite, magaspang,mika, raw,kuwarts,mica, naproseso.