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| − | The way a [[mineral]] '''fractures''' can sometimes help to identify it. Most fractures can be described by the following terms:
| + | A '''fracture''' is a break, usually in a [[bone]]. If the broken bone punctures the skin, it is called an open or compound fracture. Fractures commonly happen because of car accidents, falls or sports injuries. Another cause is [[osteoporosis]], which causes weakening of the bones. Overuse can cause stress fractures, which are very small cracks in the bone. |
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| − | <table><tr><td>''Uneven''<td>Rough or irregular surface</td></tr>
| + | Symptoms of a fracture are |
| − | <tr><td>''Conchoidal''<td>"Shell-like," with a smooth curved surface.</td></tr>
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| − | <tr><td>''Hackly''<td>Sharp, jagged surfaces like broken metal.</td></tr>
| + | * Out-of-place or misshapen limb or joint |
| − | <tr><td>''Splintery''<td>Forming elongated splinters (applies to fibrous minerals).</td></tr>
| + | * Swelling, bruising or bleeding |
| − | <tr><td>''Earthy''<td>Breaking like [[clay]] or [[chalk]].</td></tr></table> Chesterman, p. 32
| + | * Intense pain |
| − | =Sources=
| + | * Numbness and tingling |
| − | *Chesterman, Charles W. ''The Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf: New York (1987)
| + | * Limited mobility or inability to move a limb |
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| | + | If you have a fracture, you may need to wear a cast or splint. Sometimes you need surgery to put in plates, pins or screws to keep the bone in place. |
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| | + | [[Category:Medicine]] |