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Livres Livres 1 - 10 sur 16 pour 2. Shining: when an image is produced, but not a well defined image. Ex. calcareous....
" 2. Shining: when an image is produced, but not a well defined image. Ex. calcareous spar, celestine. 4. Glimmering': when the reflection is very imperfect, and apparently from points scattered over the surface. Ex. flint, chalcedony. A mineral is said... "
A System of Mineralogy: Including an Extended Treatise on Crystallography ... - Page 71
de James Dwight Dana - 1837 - 571 pages
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Manual of Mineralogy

James Dwight Dana - 1855 - 432 pages
...Glistening : when there is a general reflection from the surface, but no image. Ex. talc, copper pyrites. 4. Glimmering : when the reflection is very imperfect,...is said to be dull when there is a total absence of luster. Ex. chalk. COLOR. In distinguishing minerals, both the external color and the color of a surface...
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Manual Of Mineralogy

James D. Dana, A.M. - 1855
...Glistening ; when there is a general reflection from the surface, but no image. Ex. talc, copper pyrites. 4. Glimmering : when the reflection is very imperfect...is said to be dull when there is a total absence of luster» Ex. chalk,, COLOR» In distinguishing minerals, both the external color and the color of a...
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Manual of Mineralogy, Including Observations on Mines, Rocks, Reduction of ...

James Dwight Dana - 1864 - 456 pages
...ore, some specimens of quartz and pyrites. b. The degrees of intensity are denominated as follows : 2. Shining : when an image is produced, but not a...scattered over the surface. Ex. flint, chalcedony. 3. Glistening: when there is a general reflection from the surface, but no image. Ex. talc, copper...
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Manual of Mineralogy: Including Observations on Mines, Rocks, Reduction of ...

James Dwight Dana - 1866 - 454 pages
...metallic-adamantine. Ex. some varieties of white lead ore. b. The degrees of intensity are denominated as follows : 2. Shining : when an image is produced, but not a...well defined image. Ex. calcareous spar, celestine. 1. Splendent : when the surface reflects light with great brilliancy, and gives well defined images....
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A Text-book of Mineralogy: With an Extended Treatise on Crystallography and ...

Edward Salisbury Dana - 1877 - 485 pages
...image. Ex. talc, chalcopyrite. 4. Glimmering: affording imperfect reflection, and apparently from points over the surface. Ex. flint, chalcedony. A mineral...absence of lustre. Ex. chalk, the ochres, kaolin. The trne difference between metallic and vitreous lustre is due to the effect which the different surfaces...
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Manual of Mineralogy: Including Observations on Mines, Rocks, Reduction of ...

James Dwight Dana - 1877 - 454 pages
...which in other form have a pearly luster. b. The degrees of intensity are denominated as follows : 2. Shining: when an image is produced, but not a well defined image. Ex. calcareous spar, celestine. 1. Splendent: when the surface reflects light with greal brilliancy, and gives well defined images....
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Manual of Mineralogy and Lithology: Containing the Elements of the Science ...

James Dwight Dana - 1879 - 474 pages
...image is produced, but not a well-defined image. Example, calcite, celestite. 4. Glimmering—when the reflection is very imperfect, and apparently from points scattered over the surface. Example, Hint, chalcedony. 3. Glistening—when there is a general reflection from tho surface, but...
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Manual of Mineralogy and Lithology: Containing the Elements of the Science ...

James Dwight Dana - 1886 - 474 pages
...Glistening—when there is a general reflection from the surface, but no imago. Example, talc. 4. Glimmering—when the reflection is very imperfect, and apparently from points scattered over the surface. Example, flint, chalcedony. A mineral is said to be dull when there is a total absence of lustre. Example,...
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Manual of Mineralogy and Petrography: Containing the Elements of the Science ...

James Dwight Dana - 1887 - 517 pages
...an image is produced, but not a welldefined image. Example, calcite, celestite. 4. Glimmering—when the reflection is very imperfect, and apparently from points scattered over the surface. Example, flint, chalcedony. A mineral is said to be dull when there is a total absence of lustre. Example,...
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Manual of Mineralogy and Petrography: Containing the Elements of the Science ...

James Dwight Dana - 1894 - 517 pages
...Glistening—when there is a general reflection from the surface, but no image. Example, talc. 4. Glimmering—when the reflection is very imperfect, and apparently from points scattered over the surface. Example, flint, chalcedony. A mineral is said to be dull when there is a total absence of lustre. Example,...
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