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5 to 1 billion years ago
Color: Medium Green
These are Lemon Phantom Quartz from Brazil
Color: Various shades of Pink
Fulgurite | Natural Lightning Impact Glass | 2.02 Grams | Sahara | SO24 Mimetite 5 to 1 billion yearsFulgurite, also known as fossilized lightning, are natural glass tubes or formations that are created by the heat of lightning strikes. When a lightning bolt hits the ground it generates temperatures of up to 30,000 Kelvin (over 53,000F), hotter than the surface of the sun. This intense heat melts the silica rich sand and fuses it almost instantly, forming hollow branching structures that solidify as they cool. In the Sahara Desert where thunderstorms
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