Tumbled Lake Superior Agate f6921a22494dd361f6c39a7d4fde2a79 This timeframe is consistent with

This timeframe is consistent with an indigenous oral tradition of iron that fell from heaven

Within the "Gemstone community" Zircon is not a commonly used stone

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000 BC and ended between 4

Tumbled Lake Superior Agate f6921a22494dd361f6c39a7d4fde2a79 This timeframe is consistent withLake Superior Agates are unique from other agates due to their strong red color. This comes from the oxidized iron introduced to them during their formation. Beginning as small bubbles of volcanic gasses in lava that hardened, ground water circulated silica along with the iron, which over time crystallized to form agate. A massive glacier that moved across what is now Minnesota some 10 15,000 years ago, uprooting much of the agate formations and