Kitchen Tops offers a large selection of Avant Granite and Quartz:
 
 

Apollo Quartz

Burlywood Granite

Cafe Noir Quartz

Callisto Quartz

Casablanca Quartz

Elara Quartz

Kodiak Quartz

Lunar Quartz

Meteorite Granite

Mira Quartz

Palazzo Quartz

Penumbra Quartz

Salem Quartz

Wheat Granite

White Sands Quartz