Term
| what are the two main groups of minerals? |
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Definition
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Term
| which are nonsilicate crystalline stuctures? |
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Definition
| cubes, hexagonal, prisms, irregular masses |
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Term
| A double-chain silicate is? |
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Definition
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Term
| what two elements must be present in a silicate? |
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Definition
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Term
| which of the following groupings lists only minerals? |
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Definition
| fluorite, feldspar, copper |
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Term
| which of the following are chatoyancy and asterism associated with? |
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Definition
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Term
| a mineral is described as fluorescent when it? |
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Definition
| glows under ultraviolet light |
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Term
| what mineralproperty invovles iron? |
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Definition
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Term
| because many minerals are similar in color and certain elements may change the color, color is? |
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Definition
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Term
| unstable atomic nuclei decay over time into stable nuclei, causing a mineralto be? |
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Definition
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Term
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Definition
| mineral shows a cat's-eye effect |
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Term
| when does a phosphorescent mineral glow? |
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Definition
| after an ultraviolet light is turned off |
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Term
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Definition
| do NOT link with silicon or oxygen atoms |
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Term
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Definition
| a six-sidded star shape appears when a mineral reflects light |
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Term
| double-chain silicates are formed when? |
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Definition
| two single-chains of tetrahedra bond to eachother |
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Term
| cubes, hexogonal prisms, and irregular masses are examples of? |
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Definition
| three common nonsilicate crystalline structures. |
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Term
| what happens when each tetrahedron shares three of its oxygen atoms with other tetragedra |
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Definition
| sheet silicates are formed |
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Term
| what is NOT one of the four criteria for determining whether or not a substance is a mineral? |
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Definition
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Term
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Definition
| unstable atomic nuclei decay over time, releasing particles and energy |
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Term
| the color of a mineral in powdered form is called the mineral's? |
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Definition
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Term
| A mineral is a natural solid that usually is? |
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Definition
| inorganic, with characteristic physical properties. |
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Term
| single-chain silicates are silicate crystalline structures in which tetrahedra form a? |
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Definition
| chain by sharing oxygen atoms |
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Term
| The hardest mineral on the mohs hardness scale is? |
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Definition
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Term
| Fluoresence is the property of a mineral that causes it to? |
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Definition
| glow under ultraviolet light |
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Term
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Definition
| the mass of a substance to the volume of the substance |
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Term
| What is true of isolated tetrahedra? |
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Definition
| They do not link with other silicon or oxygen atoms. |
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Term
| double-chain silicates from when? |
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Definition
| Two single-chains of tetrahedra bond to eachother |
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Term
| Which of these are common nonsilicate crystalline structures? |
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Definition
| cubes, hexagonal prisms, octahedral prisms, irregualr masses |
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Term
| light that is reflected from a mineral's surface is called? |
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Definition
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