Lake Superior Agate

Lake Superior Agate
Wikimedia Commons

Lake Superior Agate

Chalcedony

Hardness: 6.5–7

Streak: White

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AgateChalcedony VarietiesColdwater AgateFire AgateHeliotrope (Bloodstone)Moss Agate

Lake Superior agate is an iron‑rich banded agate from the Great Lakes region; red‑orange bands get their colour from hematite.

Parent: Chalcedony Varieties

Related: Agate, Chalcedony Varieties, Coldwater Agate, Fire Agate

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