Horizon Stone ndi wotsogola wopanga miyala ya quartz ku China, omwe ali ndi maziko akulu atatu okhala ndi mizere yopitilira 100 kuti awonetsetse nthawi yobweretsera mwachangu.Zogulitsazo zimagulitsidwa kumayiko ndi zigawo zoposa 60 padziko lonse lapansi, ndipo pali ogulitsa oposa 700 ku China.Makhalidwe abwino kwambiri a Horizon Stone ndi mbiri yamabizinesi amayamikiridwa padziko lonse lapansi.