Grey Agate
Grey Agate is the quiet, sophisticated member of the agate family — a banded chalcedony in soft tones of dove gray, charcoal, silver, and white with delicate natural banding. Grey is actually the baseline color of natural agate: before any dyeing or treatment, much of the world's agate comes out of the ground in exactly these soft, smoky tones. The banding forms from layers of microcrystalline quartz traced with iron and manganese.
Our Grey Agate is 100% natural. No dyes, no heat treatment.
Available in smooth rounds (4mm-10mm), smooth rondelles, faceted rondelles, faceted off rounds, and smooth squares. The understated palette makes Grey Agate one of the most versatile agates for modern, minimalist, bridal, and men's jewelry. Pairs beautifully with sterling silver, pearls, and hematite.
Browse our current selection below — our stock changes regularly. Sourced direct from the manufacturer, hand-picked, and US-stocked. We stand behind every strand.
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Agate, Grey, Natural, Smooth Rondelle, One 6x4mm Strand
Beauty in the Bead
$11.00Grey Agate, Natural, Smooth Rondelle, 6x4mm This price is for one strand 15 to 16 inches long 6x4mm rondelle strands have 95 to 100 pieces Agate is a common rock formation, consisting of chalcedony and quartz as its primary components,...$11.00 -
Agate, Grey, Natural, Smooth Rondelle, One 8x5mm Strand
Beauty in the Bead
$11.50Grey Agate, Natural, Smooth Rondelle, 8x5mm This price is for one strand 15 to 16 inches long 8x5mm rondelle strands have 70 to 75 pieces Agate is a common rock formation, consisting of chalcedony and quartz as its primary components, consisting of...$11.50 -
Agate, Grey, Natural, Smooth Square, One 12mm Strand
Beauty in the Bead
$10.00Grey Agate, Natural, Smooth Square, One 12mm Strand This price is for one strand 15 to 16 inches long 12mm square strands have about 32 pieces Agate is a common rock formation, consisting of chalcedony and quartz as its primary components, consisting of...$10.00