natural blue onyx

Item: Arabescato Corchia Marble Look Sintered Stone For Countertops
Material: Arabescato Corchia Sintered Stone, White Porcelain Slabs
Slab Size:2600x1200x6mm, 3200x1600x6mm
...

Item: Turkey Iceberg Blue Grey Marble Slabs
Material: Iceberg Marble, Natural Marble
Size:2400upx1200up, 2600upx1400up, 24''x24'',24''x12'',12''x12'' mm
Thickness:18,20,30 mm
Surface: ...

Padang Crystal Granite is most famous and cheap grey granite from China.