2.9" Fulgurite Petrified Lightning Strike Glass Sahara Desert Algeria Paralejurus Calcite is a calcium carbonate

Calcite is a calcium carbonate mineral (CaCO₃) with a hardness of 3 on the Mohs scale

a transparent to translucent transparency

To survive such pressures

Middle Ordovician Age

and scientists alike

2.9" Fulgurite Petrified Lightning Strike Glass Sahara Desert Algeria Paralejurus Calcite is a calcium carbonateLocation: Sahara Desert, Algeria Weight: 0. 3 Ounces Dimensions: 2. 9 Inches Long, 1. 2 Inches Wide, 0. 3 Inches Thick The Item pictured is the one you will receive. Fulgurite is a type of natural glass formed when lightning strikes sandy soil or sand dunes, creating a fascinating geological phenomenon. The extreme heat produced by the lightning bolt fuses sand grains, forming hollow tubes or branching structures known as fulgurites. Also referred to