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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 as mentioned by
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57:), mixed with other minerals. Industrial emery may contain a variety of other minerals and synthetic compounds. Crushed or naturally eroded emery (known as
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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.
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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.
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is wear-resistant floors and pavements. Many tons are shipped to Asia to be used in grinding rice.
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Emery is black or dark grey in colour, less dense than translucent-brown corundum with a
200:, book XXXVII, chp. 32. However, demand for emery has decreased with the development of
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A small quantity of emery is used in coated abrasive products, but its main use in the
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Emery is a granular rock used to make an abrasive powder. It largely consists of
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Oberg, Erik; Jones, Franklin D.; Horton, Holbrook L.; Ryffel, Henry H. (2000).
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of between 3.5 and 3.8. Because it can be a mixture of minerals, no definite
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15 mg/m total exposure and TWA 5 mg/m respiratory exposure.
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Corundite from the Naxos emery deposits. The corundum is blue, or
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67:. Turkey and Greece are the main suppliers of the world's emery.
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has set permissible exposure limits for emery in the workplace:
253:(5th ed.). Hoboken, NJ: Wiley-Interscience. p. 10.
171:, a substance used to cut stone during construction of the
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National
Institute for Occupational Safety and Health
379:(26th ed.). New York: Industrial Press Inc.
251:Kirk-Othmer encyclopedia of chemical technology
214:Occupational Safety and Health Administration
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401:CDC - NIOSH Pocket Guide to Chemical Hazards
150:. It is also used as a traction enhancer in
134:Crushed or naturally eroded emery (known as
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38:. Wet slab, 10 cm (3.9 in) wide.
350:NIOSH Pocket Guide to Chemical Hazards.
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315:Balashon Hebrew Language Detective
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249:Jacqueline Kroschwitz (2004).
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337:Minerals Yearbook, Volume 1
274:P. Harbin (November 1978).
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311:"shamir, shumar and emery"
212:In the United States, the
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278:. Metal Bulletin: 49–73.
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335:G. T. Austin (1987).
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376:Machinery's Handbook
186:The Greek island of
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276:Industrial Minerals
197:The Natural History
431:Corundum varieties
421:Aluminium minerals
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339:. pp. 71–84.
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318:. Retrieved
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173:First Temple
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144:emery boards
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25:Naxos Island
320:13 December
230:Emery paper
148:emery cloth
95:, and also
71:Description
415:Categories
236:References
158:mixtures.
136:black sand
60:black sand
426:Abrasives
93:magnetite
89:hercynite
47:corundite
358:(NIOSH).
224:See also
202:sintered
140:abrasive
105:magnesia
77:corundum
65:abrasive
51:corundum
36:sapphire
352:"#0250"
179:Harvest
152:asphalt
109:mullite
101:titania
85:spinels
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257:
208:Safety
156:tarmac
113:silica
111:, and
97:rutile
91:, and
188:Naxos
45:, or
43:Emery
381:ISBN
322:2023
297:help
255:ISBN
154:and
146:and
218:TWA
194:'s
130:Use
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