 Skye, which may be moulded like dough when first found; and some simple minerals, which are rigid and as hard as glass in our cabinets, are often flexible and soft in their native beds ; this is the case with asbestos, sahlite, tremolite, and chalcedony,...  Elements of Geology - Seite 73von Sir Charles Lyell - 1838 - 543 SeitenVollansicht - Über dieses Buch
 | John Macculloch - 1831 - 534 Seiten
...united, at the same time, as to be readily dissipated on exposure to the air. Thus minerals, rigid and hard as glass in our cabinets, are often flexible and soft in their native beds ; a case which, in my own experience, occurs in asbestos, sahlite, tremolite, and chalcedony, and which... | |
 | Sharon Turner - 1834 - 610 Seiten
...air, becomes as hard as agate, and some transparent.' Metropol. 1834, p. 324. 13 ' Minerals, rigid and hard as glass in our cabinets, are often flexible and soft in their native beds ; a case, which in my own experience occurs in asbestos, sahlite, tremolite, and chalcedony ; and which... | |
 | Sharon Turner - 1835 - 460 Seiten
...as hard as agate, and some transparent."—Metropol. 1834, p. 324. || " Minerals, rigid and hard an glass in our cabinets, are often flexible and soft in their native beds; a case, which m my own experience occurs in asbestos, sahlite, tremolile, and chalcedony ; and which... | |
 | Sharon Turner - 1838 - 448 Seiten
...becomea as hard as agate, and some transparent." — Metropol. 1834, p. 334. || " Minerals, rigid and hard as glass in our cabinets, are often flexible and soft in their native beds ; a case, which in my own experience occurs in asbestos, sahlite, treraolite, and chalcedony ; and... | |
 | Sir Charles Lyell - 1839 - 332 Seiten
...particles of which the loose mud and sand were composed. Dr. MacCulloch mentions a sandstone in Sky, which may be moulded like dough when first found ;...hard as glass in our cabinets, are often flexible and sofl in their native beds ; this is the case with asbestos, sahlite, tremolite, and calcedony, and... | |
 | Sharon Turner - 1844 - 452 Seiten
...becomes as hard as agate, and some transparent."— Metropol. 1834, p. 394. || " Minerals, rigid and hard as glass in our cabinets, are often flexible and soft in their native beds; a case, which m my Own experience occurs in asbestos, sablite, tremoltte, and chalcedony ; and which... | |
 | Sir Charles Lyell - 1851 - 602 Seiten
...mentions a sandstone in Sky, which may be moulded like dough when first found; and some simple minerals, which are rigid and as hard as glass in our cabinets,...is the case with asbestos, sahlite, tremolite, and chalcedony, and it is reported also to happen in the case of the beryl.* The marl recently deposited... | |
 | Sir Charles Lyell - 1852 - 570 Seiten
...mentions a sandstone in Skye, which may be moulded like dough when first found; and some simple minerals, which are rigid and as hard as glass in our cabinets,...is the case with asbestos, sahlite, tremolite, and chalcedony, and it is reported also to happen in the case of the beryl.* The marl recently deposited... | |
 | Charles Lyell - 1865 - 830 Seiten
...mentions a sandstone in Skye, which may be moulded like dough when first found ; and some simple minerals, which are rigid and as hard as glass in our cabinets,...is the case with asbestos, sahlite, tremolite, and chalcedony, and it is reported also to happen in the case of the beryl. * The marl recently deposited... | |
 | Sir Charles Lyell - 1871 - 726 Seiten
...mentions a sandstone in Skye, which may be moulded like dough when first found; and some simple minerals, which are rigid and as hard as glass in our cabinets,...is the case with asbestos, sahlite, tremolite, and chalcedony, and it is reported also to happen in the case of the beryl.* The marl recently deposited... | |
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