Quick Answer: How Do You Use Luster In A Sentence?

What is another word for Lustre?

In this page you can discover 45 synonyms, antonyms, idiomatic expressions, and related words for luster, like: beauty, respect, glint, glory, iridescence, shine, sparkle, fame, honor, radiance and dullness..

What is Lustre give example?

Lustre is gentle shining light that is reflected from a surface, for example from polished metal. Gold retains its lustre for far longer than other metals. … Lustre is the qualities that something has that make it interesting and exciting.

What are some examples of luster?

Gold, silver, and copper have metallic luster. Other minerals have a metallic luster as well. Minerals with non-metallic luster can be divided into groups of minerals with earthy, waxy, vitreous (glassy), adamantine (diamond-like), resinous (like resin), pearly, silky, or dull luster.

What is the meaning of luster in science?

Lustre, in mineralogy, the appearance of a mineral surface in terms of its light-reflective qualities. Lustre depends upon a mineral’s refractive power, diaphaneity (degree of transparency), and structure.

How do you identify luster?

One simple way to classify luster is based on whether the mineral is metallic or non-metallic. Minerals that are opaque and shiny, such as pyrite, have a metallic luster. Minerals such as quartz have a non-metallic luster. Luster is how the surface of a mineral reflects light.

What is the use of luster?

Luster is only a useful form of mineral identification when the specimen in question displays a unique luster, such as waxy, greasy, pearly, etc. Specimens with a vitreous luster cannot be distinguished from one another, nor can minerals with a metallic luster.

How do you identify cleavage?

Identifying Cleavage Planes: Since cleavage planes are always parallel to crystal faces, or possible crystal faces, they are identified with Miller indices, in the same way as are crystal faces. If the cleavage plane is parallel to the (111) face, then it is the 111 cleavage plane.

How would you describe luster?

Luster: A mineral’s luster is the overall sheen of its surface – it may have the sheen of polished metal, or that of an unpolished metal that is pitted by weathering – or it may have the sheen of glass, or look dull or earthy, etc.

What does it mean to Luster?

1 : a glow of reflected light : sheen specifically : the appearance of the surface of a mineral dependent upon its reflecting qualities the luster of polished metal. 2a : a glow of light from within : luminosity the luster of the stars. b : an inner beauty : radiance.

What is the difference between luster and dull?

As verbs the difference between luster and dull is that luster is to gleam, have luster while dull is to render dull; to remove or blunt an edge or something that was sharp.

What does dull mean?

Adjective. dull, blunt, obtuse mean not sharp, keen, or acute. dull suggests a lack or loss of keenness, zest, or pungency. a dull pain a dull mind blunt suggests an inherent lack of sharpness or quickness of feeling or perception.

What is the meaning of the word radiance?

1 : the quality or state of being radiant. 2 : a deep pink. 3 : the flux density of radiant energy per unit solid angle and per unit projected area of radiating surface.

What is the meaning of material?

the substance or substances of which a thing is made or composed: Stone is a durable material. anything that serves as crude or raw matter to be used or developed: Wood pulp is the raw material from which paper is made. … materials, the articles or apparatus needed to make or do something: writing materials.

What causes luster?

Luster is an optical property of minerals. There are two main types of luster, metallic and nonmetallic, with an intermediate luster of submetallic. The intensity of the luster depends upon the amount of light reflected from the surface, which is generally related to the refractive index of the mineral.

Is luster present in your rocks?

Lustre (British English) or luster (American English; see spelling differences) is the way light interacts with the surface of a crystal, rock, or mineral. … A range of terms are used to describe lustre, such as earthy, metallic, greasy, and silky.

What are 3 types of luster?

Luster is the property of minerals that describes how light is reflected. Metallic, waxy, vitreous, silky, pearly, and dull are all types of luster.

What does illogical mean?

1 : not observing the principles of logic an illogical argument. 2 : devoid of logic : senseless illogical policies.

How do you test streak?

The streak test is done by scraping a specimen of the mineral across a piece of unglazed porcelain known as a “streak plate.” This can produce a small amount of powdered mineral on the surface of the plate. The powder color of that mineral known as its “streak.”

What is the opposite of luster?

Opposite of shine or lustre on a smooth surface. dullness. lacklusterness.

Is luster a property of metal?

Metals are lustrous, malleable, ductile, good conductors of heat and electricity. Other properties include: … Luster: Metals have the quality of reflecting light from its surface and can be polished e.g., gold, silver and copper.