Gobi Agate Cabochon #6 sd San Luis Potosi in Mexico

San Luis Potosi in Mexico is made entirely of Calcite with two larger "beds" covered with tiny Dogtooth points that catch the light and larger crystals edging one side

Mosasaurs were a group of large aquatic reptiles

and stands on it's side

This unusual example of Pyrite is a part of a Pyrite Sun

Gobi Agate Cabochon #6 sd San Luis Potosi in MexicoThis rare hand picked Gobi Agate Cabochon from the Gobi Desert, Inner Mongolia has been polished to reveal beautiful colours and patterns. You will receive the exact Gobi Agate crystal shown in the pictures. Gobi Agate is a type of botryoidal Chalcedony. It's a semi precious silica mineral that has a frosted outer texture. It can be opaque or translucent and often comes in muted pastel colours. Gobi Agates get their shape through weathering, smoothing