Lunada Bay’s ‘Agate’ series is reminiscent of the glass-like natural layered silica created by volcanic stone formations. Their ‘Agate’ mosaic series is created using the same processes from a molten silica, hand-poured to exhibit the variation and variegation of the naturally formed stone.

⅝ x 2"

https://www.hamiltonparker.com/product/agate-martini-blend/