Agate

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Agate

Chalcedony

Hardness: 6.5–7

Streak: White

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Chalcedony VarietiesColdwater AgateFire AgateHeliotrope (Bloodstone)Lake Superior AgateMoss Agate

Agate is banded chalcedony that forms when silica‑rich fluids deposit layers of microcrystalline quartz in cavities; banding reveals varied colours and patterns.

Parent: Chalcedony Varieties

Related: Chalcedony Varieties, Coldwater Agate, Fire Agate, Heliotrope (Bloodstone)

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