 ... from the neighbourhood of Lake Baikal, in Siberia, and is sometimes, though rarely, of a sufficient size to be fashioned into small vases, and other ornaments. LABRADOR STONE. This is another variety of Felspar, the proper colour of which, is smoke...  A Glossary of Mineralogy - Strana 205autor/autoři: Henry William Bristow - 1861 - 420 str.Úplné zobrazení - Podrobnosti o knize
 | John Mawe - 1813 - 202 str.
...variety of Felspar, the proper colour of which, is smoke grey, or dark ash; but besides this fundamental colour, it presents a most beautiful play of vivid...to the position in which it is viewed; of blue, it exhi bits all the varieties from violet to smaltblue ; of green, it displays the pure emerald-green,... | |
 | John Mawe - 1813 - 206 str.
...variety of Felspar, the proper colour of which, is smoke grey, or dark ash; but besides this fundamental colour, it presents a most beautiful play of vivid tints, varying according to the posilion in which it is viewed; of blue, it exhibits all the varieties from violet to smaltblue ; of... | |
 | John Mawe - 1815 - 202 str.
...variety of Felspar, the proper colour of which, is smoke grey, or dark ash; but besides this fundamental colour, it presents a .most beautiful play of vivid...displays the pure emerald-green, and various other tinges approaching to blue on one hand, and to yellow on the other : of yellow, the usual shades are... | |
 | David Thomas Ansted - 1880 - 310 str.
...very fine polish, presents a most beautiful play of vivid tints, varying according to the posi tion in which it is viewed. Of blue, it exhibits all the varieties from violet to smalt blue ; of green, it displays the pure emerald-green, and various other tints, approaching to... | |
 | Albert E. Foote - 1880 - 112 str.
...mineralogical 'dealers of the first decade of the nineteenth century: " Besides the fundamental color, it presents a most beautiful play of vivid tints, varying according to the position m which it is viewed. Of blue, it exhibits all the varieties from violet to smalt-blue ; of green,... | |
 | David Thomas Ansted - 1880 - 300 str.
...rocks of various kinds. " Besides the fundamental colour, this mineral, which takes a very fine polish, presents a most beautiful play of vivid tints, varying according to the posi tion in which it is viewed. Of blue, it exhibits all the varieties from violet to smalt blue ;... | |
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