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

achieving shell lengths exceeding four meters as it navigated the shallow epicontinental seas of ancient North America

a transparent to translucent transparency

Middle Ordovician Age

and decorative uses while also preserving critical evidence of ancient reef environments

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