Question

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Give sa short note on the features of
minerals.
And

Answer 1

Luster is a property which gives a mineral its characteristic appearance. It depends on whether light is absorbed, refracted of reflected by the mineral. Metallic, glassy, luminous and dull are different kinds of luster. ... Most minerals are crystalline but as these crystals rub against each other their shapes change.

Answer 2

Explanation:

Minerals are usually solid, inorganic, have a crystal structure, and form naturally by geological processes. ... A mineral can be made of single chemical element or more usually a compound. There are over 4,000 types of known minerals. Two common minerals are quartz and feldspar."A mineral is a homogeneous (which means composed of parts or elements that are all of the same kind) naturally occurring substance with a definite but not necessarily fixed chemical composition. Most minerals are solids with an ordered atomic arrangement, and most are inorganic in the chemical sense of that word".Alternatively, a mineral is one listed as such by the International Mineralogical Association.