Of a mineral deposit, having a large concentration of ore in one place.

Of a mineral, lacking an internal structure.

Of corallum, composed of closely packed corallites.

1. Of a competent rock, being homogeneous, isotropic, and elastically perfect.

2. Of a metamorphic rock, having constituents which do not show parallel orientation and are not arranged in layers.

3. Of igneous rocks, being homogeneous over wide areas and lacking layering, foliation, cleavage, or similar features.