Sandstone slab, large Quartz A small patch of lower-quality

A small patch of lower-quality chalcedony in one corner has a vivid geen reaction

Approx weight: 85g

and small dark spots nearby

Purple Rain specimens typically appear a murky dark purple-gray color under incandescent light (indoor lighting)

Sandstone slab, large Quartz A small patch of lower-qualityApprox size: 9 1 8 x 6 1 4" (12mm thick) Approx weight: 962g (2lb) The display side of the slab is polished; the reverse is unfinished and may have saw marks, uneven parts, or paler color. This flat polished slab of picture sandstone is made from Arizona Sierra sandstone sourced from central Arizona. Sandstone is a sedimentary rock composed of sand compacted and cemented together through geological processes, giving it a grainy texture. Sandstone with