WebJun 18, 2014 · You cannot measure the luster of a rock. Instead, you have to determine it by examining the rock closely and basing it on light reflections. Wiki User ∙ 2014-06-18 20:16:02 This answer is:... In textiles, lustre or luster is a physical property that makes them appear bright, glossy, and shiny. The amount of light reflected from the surface of a fiber is referred to as its luster.The level of luster is determined by how light reflects off the surface. For example, round surfaced fiber reflects more light and … See more Luster is the degree of gloss or sheen possessed by the fiber or textile surface. Luster adds aesthetic values in fabrics, contributes to their attractiveness. Occasionally, this adds value to their quality assessment. … See more Earlier, there was ambiguity in the results of luster in textiles. A new approach has been developed to analyze the luster through images. … See more Factors affecting ''lustre (the way light reflects)'' lie with fiber properties, but various processes can also alter the surface of textiles … See more • Hand feel, the feel of the fabrics. • Draping • Shearing (textiles) See more
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WebHow to test using specific gravity. Testing a mineral for a specific gravity value is a complicated procedure. For the layman, it is done by water displacement and requires a … WebSep 3, 2024 · 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. … cinnaholic cakes
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WebFeb 25, 2024 · Astronomers often use a plot called the Hertzprung-Russell (H-R) diagram. It measures the temperature (color) of a star versus its luminosity (intrinsic brightness). … WebJun 28, 2016 · 4. Luster. Luster is the intensity of light reflected from a pearl’s surface. Luster is one of the factors that give a natural or cultured pearl its unique beauty. Pearls … WebHow to Observe Luster The luster of a mineral is best observed on a surface that is free of moisture, dirt, tarnish, and abrasion. Geologists in the field usually carry a rock hammer to … diagnostic procedures for respiratory failure