Luster describes how light is reflected on a mineral's surface and is an important property mineralogists examine to identify minerals. There are two main types of luster: metallic and nonmetallic. Metallic luster resembles polished metal and applies to opaque, reflective minerals, while nonmetallic luster covers minerals that do not look metallic and includes further subcategories.
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1. Defination:
Luster is a property that describes how light is reflected on the
surface of a mineral.
It is one of the properties mineralogists look at when trying to
determine the identity of a mineral.
Md.Nazrul Islam Bhuyain
Id no: CEN-05007838
2. Types of Luster
Mineralogists first divide the
types of luster into two
categories: metallic and
nonmetallic.
Metallic luster is for minerals
that are opaque and
reflective and have the look
of polished metal.Example
Nonmetallic luster is the type
of luster for minerals that do
not look metallic. These are
further divided into different
types:Example