Rough Carnelian Agate / 30-60mm AVG - 1 KILO LOT Menu Towers Herkimer-like Diamond Quartz is formed

Herkimer-like Diamond Quartz is formed through the rapid cooling of silica-rich solutions in hydrothermal veins

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but is much more commonly used for decorative pieces and jewelry

Rough Carnelian Agate / 30-60mm AVG - 1 KILO LOT Menu Towers Herkimer-like Diamond Quartz is formedQuantity: 1 kilogram Average size range: 30 to 60 millimeters Carnelian is a variety of chalcedony that derives its color from large amounts of iron oxide, and has been used in jewelry and ornamental work as far back as Ancient Egypt and Mycenaean Greece. Carnelian with clear banding patterns formed along with agate deposits, and is more properly known as carnelian agate.