Definitions
from The Century Dictionary and Cyclopedia
- Relating or pertaining to the science of oryctognosy.
Etymologies
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Examples
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The alumite of Tolfa, which, since my return to Europe, I have examined on the spot, conjointly with Gay – Lussac, has, by its oryctognostic characters and its chemical composition, a considerable affinity to compact feldspar, which constitutes the basis of so many trachytes and transition-porphyries.
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* The amygdaloid of Ortiz approaches, by its oryctognostic characters, to the former of those formations, and we are almost surprised to find it joining, not basalt, but phonolite, * an eminently felspathic rock, in which we find some crystals of amphibole, but pyroxene very rarely, and never any olivine.
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The alumite of Tolfa, which, since my return to Europe, I have examined on the spot, conjointly with Gay-Lussac, has, by its oryctognostic characters and its chemical composition, a considerable affinity to compact feldspar, which constitutes the basis of so many trachytes and transition-porphyries.
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The amygdaloid of Ortiz approaches, by its oryctognostic characters, to the former of those formations, and we are almost surprised to find it joining, not basalt, but phonolite, * an eminently felspathic rock, in which we find some crystals of amphibole, but pyroxene very rarely, and never any olivine.
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The proofs of the telluric and atmospheric origin of aUerolites, which it is attempted to base upon the oryctognostic analogies presented by these bodies, do not appear to me to possess any great weight.
COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1
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In both these oryctognostic collections, minerals of all countries are indiscriminately admitted.
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