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- Emery_(rock) abstract "Emery (or corundite) is a dark granular rock used to make abrasive powder. Emery is named after Cape Emeri, Island of Naxos, where it was first discovered. It largely consists of the mineral corundum (aluminium oxide), mixed with other species such as the iron-bearing spinels, hercynite, and magnetite, and also rutile (titania). Industrial emery may contain a variety of other minerals and synthetic compounds such as magnesia, mullite, and silica.It is black or dark grey in colour, less dense than translucent-brown corundum with a specific gravity of between 3.5 and 3.8. Because it can be a mixture of minerals, no definite Mohs hardness can be assigned: the hardness of corundum is 9 and that of some spinel-group minerals is near 8, but the hardness of others such as magnetite is near 6.Crushed or naturally eroded emery (known as black sand) is used as an abrasive — for example, on an emery board and emery cloth, as a traction enhancer in asphalt and tarmac mixtures.Turkey and Greece are the main suppliers of the world's emery. These two countries produced about 17,500 tons of the mineral in 1987.The Greek island of Naxos used to be the main source of this industrially important rock type. It has been mined on the eastern side of Naxos for well over two thousand years until recent times. However, demand for emery has decreased with the development of sintered carbide and oxide materials as abrasives.A small quantity of emery is used in coated abrasive products, but its main use in the United States is wear-resistant floors and pavements. Many tons are shipped to Asia to be used in grinding rice.The Occupational Safety and Health Administration in the US has set permissible exposure limits for emery in the workplace: 15 mg/m3 total exposure and 5 mg/m3 respiratory exposure.".
- Emery_(rock) thumbnail Naxos_emery-mine.JPG?width=300.
- Emery_(rock) wikiPageExternalLink npgd0250.html.
- Emery_(rock) wikiPageID "1101499".
- Emery_(rock) wikiPageLength "3557".
- Emery_(rock) wikiPageOutDegree "29".
- Emery_(rock) wikiPageRevisionID "679934844".
- Emery_(rock) wikiPageWikiLink Abrasive.
- Emery_(rock) wikiPageWikiLink Aluminium_oxide.
- Emery_(rock) wikiPageWikiLink Asphalt.
- Emery_(rock) wikiPageWikiLink Category:Abrasives.
- Emery_(rock) wikiPageWikiLink Category:Aluminium_minerals.
- Emery_(rock) wikiPageWikiLink Category:Corundum_varieties.
- Emery_(rock) wikiPageWikiLink Category:Iron_minerals.
- Emery_(rock) wikiPageWikiLink Category:Oxide_minerals.
- Emery_(rock) wikiPageWikiLink Corundum.
- Emery_(rock) wikiPageWikiLink Emery_cloth.
- Emery_(rock) wikiPageWikiLink Emery_paper.
- Emery_(rock) wikiPageWikiLink Hercynite.
- Emery_(rock) wikiPageWikiLink Machinerys_Handbook.
- Emery_(rock) wikiPageWikiLink Magnetite.
- Emery_(rock) wikiPageWikiLink Mohs_scale_of_mineral_hardness.
- Emery_(rock) wikiPageWikiLink Mullite.
- Emery_(rock) wikiPageWikiLink Nail_file.
- Emery_(rock) wikiPageWikiLink Naxos.
- Emery_(rock) wikiPageWikiLink Occupational_Safety_and_Health_Administration.
- Emery_(rock) wikiPageWikiLink Periclase.
- Emery_(rock) wikiPageWikiLink Rutile.
- Emery_(rock) wikiPageWikiLink Silicon_dioxide.
- Emery_(rock) wikiPageWikiLink Sintering.
- Emery_(rock) wikiPageWikiLink Specific_gravity.
- Emery_(rock) wikiPageWikiLink Spinel.
- Emery_(rock) wikiPageWikiLink Tarmac.
- Emery_(rock) wikiPageWikiLink Titanium_dioxide.
- Emery_(rock) wikiPageWikiLink File:Corundite_(emery_rock)_slabbed_Naxos_Emery_Deposits.jpg.
- Emery_(rock) wikiPageWikiLink File:Naxos_emery-mine.JPG.
- Emery_(rock) wikiPageWikiLinkText "Emery (rock)".
- Emery_(rock) wikiPageWikiLinkText "Emery".
- Emery_(rock) wikiPageWikiLinkText "emery".
- Emery_(rock) wikiPageUsesTemplate Template:AmCyc_Poster.
- Emery_(rock) wikiPageUsesTemplate Template:Citation.
- Emery_(rock) wikiPageUsesTemplate Template:Commonscat.
- Emery_(rock) wikiPageUsesTemplate Template:Refbegin.
- Emery_(rock) wikiPageUsesTemplate Template:Refend.
- Emery_(rock) wikiPageUsesTemplate Template:Refimprove.
- Emery_(rock) wikiPageUsesTemplate Template:Reflist.
- Emery_(rock) subject Category:Abrasives.
- Emery_(rock) subject Category:Aluminium_minerals.
- Emery_(rock) subject Category:Corundum_varieties.
- Emery_(rock) subject Category:Iron_minerals.
- Emery_(rock) subject Category:Oxide_minerals.
- Emery_(rock) hypernym Rock.
- Emery_(rock) type Band.
- Emery_(rock) type Oxide.
- Emery_(rock) comment "Emery (or corundite) is a dark granular rock used to make abrasive powder. Emery is named after Cape Emeri, Island of Naxos, where it was first discovered. It largely consists of the mineral corundum (aluminium oxide), mixed with other species such as the iron-bearing spinels, hercynite, and magnetite, and also rutile (titania).".
- Emery_(rock) label "Emery (rock)".
- Emery_(rock) sameAs Q1136648.
- Emery_(rock) sameAs Шмиргел_(скала).
- Emery_(rock) sameAs Esmeril.
- Emery_(rock) sameAs Category:Emery_(mineral).
- Emery_(rock) sameAs Smirek.
- Emery_(rock) sameAs Smergel.
- Emery_(rock) sameAs Schmirgel.
- Emery_(rock) sameAs Σμύριδα.
- Emery_(rock) sameAs Smirgo.
- Emery_(rock) sameAs Esmeril.
- Emery_(rock) sameAs Esmeril.
- Emery_(rock) sameAs Émeri.
- Emery_(rock) sameAs Amaril.
- Emery_(rock) sameAs Éimear.
- Emery_(rock) sameAs एमरी.
- Emery_(rock) sameAs Smerilo.
- Emery_(rock) sameAs Amaril.
- Emery_(rock) sameAs Smergel.
- Emery_(rock) sameAs Szmergiel.
- Emery_(rock) sameAs Esmeril.
- Emery_(rock) sameAs m.0462fy.
- Emery_(rock) sameAs Наждак.
- Emery_(rock) sameAs Smärgel.
- Emery_(rock) sameAs Наждак.
- Emery_(rock) sameAs Q1136648.
- Emery_(rock) wasDerivedFrom Emery_(rock)?oldid=679934844.
- Emery_(rock) depiction Naxos_emery-mine.JPG.
- Emery_(rock) isPrimaryTopicOf Emery_(rock).