Weight:  2

from which it gets its name

This spectacular rock specimen consists of alternating layers of light blue-green amazonite and light grey smoky quartz topped by a biotite mica (muscovite) crystal

Product ID: RYRD7570

several localities have produced sharp

Fulgurite | Natural Lightning Impact Glass | 11.98 Grams | Sahara | SO24 Columbus Weight: 2Fulgurite, 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