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Peekskill, N.Y. was once a center for mining this abrasive rock used on a "board" to file nails |
emery
|
$600 |
J |
ROCKS & MINERALS |
2018-06-22 |
#7790 |
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Corundum makes up much of this rock used to make an abrasive "board" |
emery
|
$400 |
DJ |
GEOLOGY |
2011-12-01 |
#6259 |
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You may be "board" to know that this natural abrasive is second only to diamonds in hardness |
emery
|
$1,000 |
J |
ROCKS & MINERALS |
2002-09-05 |
#4139 |
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Nonskid stair treads are commonly made of this substance that's also found on nail files |
emery
|
$400 |
DJ |
ROCKS & MINERALS |
1994-05-25 |
#2253 |
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When powdered, this mineral is glued onto cardboard & used in manicuring |
emery
|
$200 |
DJ |
MINERALS |
1992-04-21 |
#1772 |
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This mineral is crushed, powdered & glued onto paper to make disposable nail boards |
emery
|
$400 |
DJ |
ROCKS & MINERALS |
1989-01-30 |
#1021 |