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Unformatted text preview: The mantle and core must contain less than 35% iron. Silicates are the most common mineral group and differences between some silicates are due to only slight variations in their compositions. In order for elements to substitute for each other within the silicate structure the ions must have similar and For a substance to be a mineral, it must be a naturally occurring inorganic solid with a definite chemical composition and an ordered atomic arrangement. Which of the following ARE NOT minerals? Select all the examples which are not minerals. ice cubes in your freezer quartz kryptonite Amber sapphire rock candy Beer obsidian- volcanic glass glacial ice Consider how easily halite (NaCl) dissolves in water. Why does quartz (SiO 2 ) not dissolve readily in water?...
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- Fall '11
- Atom, oppositely charged ions, common mineral group