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29 Cards in this Set
- Front
- Back
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Luster
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The way a surface reflects light
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streak
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The color of a mineral's powered form is called its streak.
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fracture
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the tendaancy of some minerals to break unevenly on irregular surfaces.
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cleavege
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tendancy of some minerals to break along flat surfaces.
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hardness
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a minreal's resistance to being scratched
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density
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the measure of how much matter in any given object
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the same minerals may have different colors due to
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impurities and weathering
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color is not a good indicator of a mineral's identity
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True
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three kinds of luster
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metallic
sub metallic non metalic |
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vitreous
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brilliant or glossy
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silky
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fiburous, swirly
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resinous
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plastic
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waxy
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greasy or oily
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pearly
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creamy
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earthy
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rough and dul
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units
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grams/cubic centimeter(glcm3)
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water's density
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1g/cm3
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specific gravity of gold
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19 because its density is 19g/cm3
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floresence
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glow under uv light
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chemical reaction
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fizzes when contacted with a weak acid
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taste
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certain minerals have specific taste like halite is salty
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optical properties
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some minerals will cause a doulbe image like calcite
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mineral
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naturally formed inorganic solid with acrystaline structure
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element
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pure substances that cannot be broken down into simpler substances by ordinary
chemical means. |
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atom
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smallest part of an elemnet that has all the properties of that element.
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compound
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substance made of 2 or more elemenst that have been chemically joined or bonded together.
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crystal
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solid, geometric forms of minerals produced by a repaeting pattern of atoms that is present throughout the mineral.
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silicate mineral
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minerals that contain a combination of dilicon and oxygen.
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non silicate minerals
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any mineral that does not contain a combination of silicon and oxygen.
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