 | | Book (edition) | | commonly have several variants, such as Great Smoky Group, Great Smoky Conglomerate, Great Smoky Formation...the total of 4,284 new Terms were United States county and city Terms. Counties and Cities in the United...States Earlier editions had Terms such as Washington County and Portland for counties and cities of the United...for example: Washington County Arkansas and Portland Maine. Each new county Term can now autopost its...to counties was a major task. The scope of U.S. county and city Terms can now be clear even when they |  | | Book (edition) | | The largest groups of new terms have been U.S. county names; rock-formation names (mostly North American);...Thesaurus. These include local geographic terms, U.S. county names, rock-formation names, and fossil names.... a. Geographic Coordinates peridot BA olivine group nesosilicates orthosilicates silicates BT minerals...term must be a name unique to one area. Lincoln County is not assigned coordinates in the Thesaurus, because...(BT-NT) relationship is that of a group to an individual in the group, e.g., BT minerals to NT silicates |  | | Book (edition) | | ane 807 52 9a0e a oe eee 844: Sillimanite Group—Andalusite, Kyanite, Sillimanite, Dumortierite,...cutting edges when grains become worn—for example, in garnet for sandpaper, neither highly cleavable or friable...interchangeable; thus, while crushed quartz and garnet are both used in sandpaper, the papers are not...is no satisfactory manufactured substitute for garnet for making coated abrasive paper and cloth. For...The mineral hardness of pure crystal almandite garnet is about 7.5 but if the crystal is crossed by incipient |  | | Book (edition) | | artificial stones as well a.s from minerals such as garnet or colored qua.rtz. Pleochroism is very strong...and Rabun County, Georgia. Between 1900 and 1905 the corundum deposits of Gallatin County, Montana, were...to a small extent. The Corundum Hill mine, Macon County, North Carolina, is about 8 miles northeast of...occur in peridotite. The most important Jackson County deposits are in the extreme northeastern part,...peridotite in which the corundum is associated with garnet. All the Georgia corundum deposits occur in lime-soda |
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Caledonia County, Vermont, USA