Crazy Lace Agate Slab - Spectacular Banding with Bright Red - Mexico vintage agate These are all tumbler-sized

These are all tumbler-sized

Stromatolites are ocean-colonizing bacteria called cyanobacteria that get trapped in sediment layers

Here is a great box of old stock material from prior to the 60s

they can also sometimes have moss agate or waterline agate within

The double chatoyant bands create layered depth and movement

Crazy Lace Agate Slab - Spectacular Banding with Bright Red - Mexico vintage agate These are all tumbler-sizedCrazy Lace Agate Slab Spectacular Banding with Bright Red Mexico This stunning slab of Crazy Lace Agate displays spectacular banding and lace patterns with bright red coloration that adds tremendous contrast and eye catching pop. The vibrant red against the intricate lace creates a show stopping specimen that will make impressive cabochons. SPECIFICATIONS Material: Natural Crazy Lace Agate Dimensions: 109mm x 44mm x 5mm (Inches 4. 3" x 1. 7" x 0. 2")