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dull and or plain
Luster is a characteristic of a mineral crystal, referring to the way it reflects light. Lusters include adamantine, glassy, dull, earthy, metallic, and waxy.
Helium is neither shiny nor dull; it is translucent (transparent; colorless). Helium is a colorless gas
These are characteristics of solid nonmetal elements.
No. Dull is a descriptive adjective .
Ruby (corundum) has a vitreous or glassy luster.
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Silicate Material
Luster is categorized as metallic or non-metallic. Metallic luster is highly reflective, like chrome. Non-metallic is further divided by names such as dull, glassy, adamantine, waxy, silky, pearly, and greasy.
Magnetite crystals have a metallic lustre.
Crystalline quartz is has a glassy luster. Other forms of quartz can have a dull luster.
Jasper typically has a dull to vitreous luster, meaning it appears either somewhat shiny or glassy in appearance.
Examples of four non-metallic lusters would be glassy, adamantine, pearly, dull.
dull and or plain
Luster refers to how a mineral reflects light. It is usually metallic, glassy, or dull. Luster can also used to describe different kinds of minerals.
Luster is a characteristic of a mineral crystal, referring to the way it reflects light. Lusters include adamantine, glassy, dull, earthy, metallic, and waxy.
Fluorine is neither dull nor shin, it is NOT a solid. It is an elemental yellow gas, and very poisonous.