Term: chabazite: a group of minerals of the zeolite family consisting of a hydrous silicate of calcium and aluminum
Broader: zeolite: any of a family of glassy minerals analogous to feldspar containing hydrated aluminum silicates of calcium or sodium or potassium; formed in cavities in lava flows and in plutonic rocks | Unrelated: spheroid: a shape that is generated by rotating an ellipse around one of its axes