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Light-reflecting characteristics
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- Luster is a word used to describe the light-reflecting characteristics of a mineral specimen. The luster of a specimen is usually communicated in a single word. This word describes the general appearance of the specimen's surface in reflected light.
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Nov 21, 2023 · Luster is a physical property of minerals that describes how they reflect and refract light. Learn about the two main categories of luster (metallic and non-metallic) and their subtypes with examples.
- 4 min
Learn how to observe and identify the luster of minerals, a property that can be important in mineralogy and industry. See photos and descriptions of different types of luster, such as metallic, submetallic, nonmetallic, vitreous, dull, and more.
Learn the meaning of luster as a noun and a verb, with synonyms, examples, and word history. Luster can refer to a glow of reflected light, a superficial attractiveness, or a period of five years.
Lustre (British English) or luster (American English; see spelling differences) is the way light interacts with the surface of a crystal, rock, or mineral. The word traces its origins back to the Latin lux , meaning "light", and generally implies radiance, gloss, or brilliance.
- Andrew Alden
- Metallic Luster in Galena. Galena has the real metallic luster, with every fresh face like a mirror.
- Metallic Luster in Gold. Gold has a metallic luster, shiny on a clean face and dull on a worn face like this nugget.
- Metallic Luster in Magnetite. Magnetite has a metallic luster, shiny on a clean face and dull on a weathered face.
- Metallic Luster in Chalcopyrite. Chalcopyrite has a metallic luster although it is a metal sulfide rather than a metal.
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.
May 6, 2022 · The Bottom Line on Luster - Here on Top! In an introductory course, luster is a described as a property of light reflection that separates metallic from non-metallic minerals. Determining luster can be difficult for a beginner.
