Large Natural Agate Slab Menu Small Rare Crystals Yellow Opal is formed through

Yellow Opal is formed through the gradual precipitation of silica-rich solutions in voids or fractures within rocks

Avg Size Range: (1 inch thick

Weight: 31 g

Size: 53 mm

Large Natural Agate Slab Menu Small Rare Crystals Yellow Opal is formed throughUniqueness Guaranteed: Every item is one of a kind, making them ideal for all projects or designs. Listing is for (1 Piece) Avg. Size ( 10" 14" long x 3 4" thick) Sizes Vary Slightly Material Origin: (Brazil) Agate is a banded variety of chalcedony that forms inside pockets of metamorphic and volcanic rock. The initial layer and the surrounding minerals and conditions affect subsequent layers and give agate its wide variation in appearance. Agate can