zircon
— Navneord
– Engelsk
~ a common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent
zirconium oxide
— Navneord
– Engelsk
~ a white crystalline oxide; used in refractories and in insulation and abrasives and enamels and glazes
zirconium silicate
— Navneord
– Engelsk
~ a common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent
zirconium dioxide
— Navneord
– Engelsk
~ a white crystalline oxide; used in refractories and in insulation and abrasives and enamels and glazes