Agate pendants in chalcedony agate varieties offer the layered beauty of this quartz mineral set in .925 sterling silver. Chalcedony agate forms in volcanic rock cavities over millions of years, creating the banded patterns collectors prize. With 28,523 pendants priced from $16 to $11,402, our selection includes blue lace agate, moss agate, dendritic agate, and fire agate specimens. Each stone rates 6.5-7 on the Mohs hardness scale, making agate suitable for regular wear.
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Agate is a banded variety of chalcedony. Chalcedony refers to the broader category of microcrystalline quartz, while agate specifically describes specimens with visible layered bands formed by varying mineral deposits during crystallization.
Clean agate with warm water and mild soap using a soft cloth. The 6.5-7 Mohs hardness resists scratching from most household materials, but store separately from harder gems like sapphires or diamonds. Avoid ultrasonic cleaners and prolonged sun exposure, which can fade some color varieties.
We sell natural agate stones. Some agates, particularly in gray or white base colors, may be dyed to enhance color—a common industry practice disclosed in our product descriptions when applicable. Banding patterns are natural formations, not artificial.