Can Quantum Quartz be used outdoors? Alpine White. Quantum Quartz is certified by the National Sanitary Foundation and meets all food safety requirements which makes it a hygienic surface and very suitable for any home or professional kitchen benchtop. Where else can Quantum Quartz be used? Galaxy Black. Quantum Quartz Polar. Quantum Quartz Colours: Designer Range. Quantum Quartz surfaces offers you design flexibility and stunning colours to choose from for your new stone kitchen benchtop. Midnight Black 20mm Polished.