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 Rustic Patio (2″ – 3″) Read more Oklahoma Blue / Brown Patio Flagstone (2″) Read more Pritchard Select (1″ – 2″) Read more Trout Creek – Patio Read more