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Green agate is shaped from microscopic quartz crystals and is a semi-precious stone. It is located as a tonsil agate in eruptive rocks and is called after the Achates River, now known as the Dirillo River, in southern Sicily, Italy.
Green agate is shaped from microscopic quartz crystals and is a semi-precious stone. It is located as a tonsil agate in eruptive rocks and is called after the Achates River, now known as the Dirillo River, in southern Sicily, Italy.