Certain minerals are incapable of going through rock foliation because they lack the ability to deform in a preferred direction under pressure. This inability to deform is due to their crystal structure and chemical bonding. Here's a breakdown:

Factors that prevent foliation:

1. Strong, non-directional bonds: Minerals with strong, non-directional bonds, like garnet and quartz, resist deformation. These bonds are equally strong in all directions, preventing the mineral from aligning along a specific plane.

2. Isometric crystal structure: Minerals with an isometric crystal structure, meaning they have equal dimensions in all directions, also resist deformation. Examples include halite (salt) and pyrite.

3. High rigidity: Some minerals, like diamond, are incredibly rigid due to their strong covalent bonds. They are virtually impossible to deform, making them resistant to foliation.

Why foliation occurs:

Foliation is a process where minerals in a metamorphic rock are reoriented and flattened under pressure. This happens because certain minerals, like mica and chlorite, have weaker bonds in one direction, allowing them to deform and align perpendicular to the applied pressure.

In summary:

Minerals that cannot go through rock foliation:

* Have strong, non-directional bonds.

* Have an isometric crystal structure.

* Are highly rigid.

Minerals that can go through rock foliation:

* Have weaker bonds in one direction.

* Have a layered or platy crystal structure.

Understanding the crystal structure and bonding of minerals is crucial to understanding why some minerals are capable of undergoing foliation while others are not.