Grey Mica Quartzite (1″ – 1 1/2″) Category: Flagstone Description Description Grey to silver color tones works well for stepping stones, garden pathways and patios areas. Related products Oklahoma Blue / Brown Patio Flagstone (2″) Read more California Gold Select Read more Variegated Bluestone (3/4″- 1 1/4″) Read more Gold Mica Quartzite 1″ – 1 1/2″ Read more