Emery is a granular rock used to make an abrasive powder. It largely consists of corundum (aluminium oxide), mixed with other minerals such as the iron-bearing spinels, hercynite, and …

Emery. Emery stone is a granular metamorphic or igneous rock that is rich in corundum. It is a mixture of oxide minerals, typically corundum, magnetite, spinel and/or hematite. It is the most …

emery, granular rock consisting of a mixture of the mineral corundum (aluminum oxide, Al 2 O 3) and iron oxides such as magnetite (Fe 3 O 4) or hematite (Fe 2 O 3). Long used as an …

Natural Emery is a very hard rock type used to make abrasive powder. It largely consists of the mineral corundum (aluminum oxide), mixed with other species such as the iron-bearing spinels …

Emery, or corundite, is a dark granular rock used to make an abrasive powder. The rock largely consists of corundum ( aluminium oxide ), mixed with other minerals. Industrial emery may …

A granular rock that is composed essentially of an impure mixture of corundum, magnetite, and spinel, and that may be formed by magmatic segregation or by metamorphism of highly …

Emery is a very hard rock type used to make abrasive powder. It largely consists of the mineral corundum (aluminum oxide), mixed with other species such as the iron-bearing spinels …

A rock - a mixture of granular Corundum (predominant component) and other minerals; usually contains Spinel and/or iron oxides, such as Magnetite and Hematite. Emery is used as a …

Emery is a kind of rock, black or dark grey in color and used for the production of abrasive powder. The Word emery is referring EMERI Cape in Naxos Island / Greece where this …

Emery, or corundite, is a dark granular rock used to make abrasive powder. It largely consists of corundum (aluminium oxide), mixed with other minerals such as the iron-bearing spinels, …