The visible absorption spectrum of scheelite, as seen by a hand-held ( direct vision ) spectroscope, may also be of use : Most natural stones show a number of faint absorption lines in the yellow region of the spectrum ( ~ 585 nm ) due to praseodymium and neodymium trace impurities.
42.
The authors further say the authorities are unable to accept that emotional plants " might originate in a supramaterial world of cosmic beings which, as fairies, elves, gnomes, sylphs, and a host of other creatures, were a matter of direct vision and experience to clairvoyants among the Celts and other sensitives ."
43.
Specula come in a variety of shapes based on their purpose, and a variety of sizes; in any case the cylinder or blade ( s ) of the instrument allow the operator a direct vision of the area of interest and the possibility to introduce instruments for further interventions such as a biopsy.
44.
And since in beholding God face to face the created intelligence finds perfect happiness, the vision is termed'beatific'. " This direct vision of God is possible, as defined by the Council of Vienne of 1311-1312 only by a divine illumination that theologians call the light of glory ( " lumen gloriae " ).
45.
The practices of Tr�ma Nagmo " Extremely Wrathful Black Mother " associated with the Dakini Tr�ma Nagmo ( the black form of Vajrayogini ) were also propagated by Machig Labdr�n . " The particular transmission which His Holiness will give descends from Dudjom Lingpa, who received it in a direct vision of the Indian Mahasiddha, Saraha.
46.
Paul Corby Finney's analysis of Early Christian writing and material remains distinguishes three different sources of attitudes affecting Early Christians on the issue : " first that humans could have a direct vision of God; second that they could not; and, third, that although humans could see God they were best advised not to look, and were strictly forbidden to represent what they had seen ".
