Lustre is non-magnetic

Lustre refers to the way light interacts with the surface of a mineral, rock, or other material. It is a visual property that describes the appearance of a surface in terms of its reflectivity and the quality and intensity of the light it reflects. Lustre is primarily determined by the physical and chemical properties of the material, such as its crystal structure, composition, and surface texture. While there are various types of lustre, including metallic, submetallic, vitreous, resinous, pearly, silky, and greasy, none of them indicate magnetism.

Explanation:
To understand whether lustre is magnetic or non-magnetic, it is important to understand the concept of magnetism. Magnetism is the property of certain materials to attract or repel other materials based on the presence of magnetic fields. When a material is magnetic, it means it has the ability to exert a magnetic force on other materials.

Magnetic Materials:
- Magnetic materials, such as iron, nickel, and cobalt, possess a property called ferromagnetism. These materials have a strong attraction to magnets and can be magnetized themselves. They have unpaired electrons that align in a particular way, resulting in a net magnetic field.

Non-Magnetic Materials:
- Non-magnetic materials, on the other hand, do not exhibit any magnetic properties. They do not generate a magnetic field and are not attracted to magnets. These materials have paired electrons that cancel out any magnetic effect.

Lustre and Magnetism:
Lustre is solely related to the visual appearance of a material's surface and does not have any direct connection to its magnetic properties. Lustre is primarily determined by factors such as the material's crystal structure, atomic arrangement, and surface texture, which influence how light is reflected and refracted.

While some magnetic minerals may exhibit certain types of lustre, such as metallic or submetallic lustre, it is important to note that lustre is not indicative of the magnetism of a material. For example, minerals like magnetite, which is a naturally magnetic mineral, can exhibit metallic lustre. However, there are also non-magnetic minerals that display metallic lustre, such as pyrite.

In summary, lustre is a visual property that describes the appearance of a material's surface in terms of its reflectivity and the quality of light it reflects. It is not directly related to the magnetic properties of a material. Lustre can be observed in both magnetic and non-magnetic materials, but it does not determine whether a material is magnetic or non-magnetic.

Non-magnetic