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Madyson ID Minerals

Mineral identification

QuestionAnswer
Does it take one test or a combination to ID minerals? Combination
True or false, color is a reliable way to ID minerals? False; trace elements, impurities and even trapped bubbles can alter color
What is luster? They way a mineral reflects light from it's surface.
The luster of non-metallic minerals looks... dull, pearly, waxy or silky
What is texture? How a mineral feels to the touch
Name at least three descriptions of texture smooth, rough, ragged, greasy, soapy and glassy
What is a streak? The color of mineral when broken up into powder
What is mineral Hardness? How easily a mineral can be scratched
How is a minerals hardness measured? Moh's hardness scale
What is cleavage? The ability of a mineral to break evenly along one or more flat planes
What is fracture? The ability of a mineral to break into pieces with arclike, rough, or jagged edges
What is mass/volume? Density
What is the ratio of the weight of something to the weight of an equal volume of water at 4C called? Specific Gravity
What mineral type contains silica and oxygen ex: feldspar and quartz? Silicates
What type of mineral is made up of a metallic element bonded to a carbonate ion? Carbonates
What type of mineral is made of an oxygen and a metal? Oxides
A mineral is an ____ if it contains a useful substance that can be mined at a profit ore
_____ are valuable minerals that are prized for their rarity and beauty. GEMS
Created by: hpeine
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