A naturally occurring, solid, inorganic element or compound having a uniform composition and a regularly repeating internal structure. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. He enters a back room, sits at a round café table and sips from a bottle of mineral water. A naturally occurring, homogeneous inorganic solid substance having a definite chemical composition and characteristic crystalline structure, color, and hardness. Solids that exhibit no such ordered internal arrangement are termed amorphous. To be a mineral a substance must meet five requirements: naturally occurring (not made by humans) inorganic (not produced by an organism) Mineral oils are colorless, transparent, oily liquids that are odorless and tasteless. We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Minerals are substances that are formed naturally in the Earth. In addition, gases and liquids are excluded by a strict interpretation of the above definition of a mineral. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. In the United States, there is a legal distinction between mineral rights and surface rights. Mineral spirits can be used to remove paint as well as oils, tar, or gunk from larger surface areas: like garden shears and saws, metal and wood worktops, and even concrete floors. Since a mineral has a definite composition, it can be expressed by a specific chemical formula. 1375–1425; late Middle English
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