Tiger Iron Pendant - SOLD 1.86" trex I opened my guide book

I opened my guide book and learned that sure enough

RAW EMERALD (Colombia)

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“On the structure and origin of meteorites”

The 11 Specimen First Edition (MM1) of the Mini Museum includes:

Tiger Iron Pendant - SOLD 1.86" trex I opened my guide bookThis pendant contains a polished piece of tiger iron, a form of banded iron from Western Australia. Tiger iron from this location formed 3,020,000,000 years ago during the Great Oxygenation Event, a period where cyanobacteria photosynthesized massive amounts of free oxygen, creating the atmosphere we breathe today. The beautiful necklace centerpiece measures 1. 86" in length along its longest side. It has been specially prepared to bring out the