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Updated: June 1, 2025
In this connection the hexagonal, tetrahedonal type of crystallisation is first to be noted; then the infinite number of forms in which this can be modified together with result of fractures: two forms predominate, the plate and the needle; these forms falling through air assume definite position the plate falls horizontally swaying to and fro, the needle turns rapidly about its longer axis, which remains horizontal.
To judge from this first examination, one would guess that an organisable fluid is rapidly congealing into a network of nervures; one seems to be watching a process of crystallisation comparable, in its rapidity, to that of a saturated saline solution as seen through a microscope. But no; this is not what is actually happening. Life does not do its work so abruptly.
On the 10th the Forward left Hingston Bay on the right, near to the seventy-fourth degree of latitude. Several hundred miles westward the Lancaster Channel opened out into the sea. But afterwards that immense extent of water disappeared under enormous fields of ice, upon which hummocks rose up as regularly as a crystallisation of the same substance.
Some of the finest streaks of colour in the stony layers, alternating with the obsidian, can be distinctly seen to be due to an incipient crystallisation of the constituent minerals. The extent to which the minerals have crystallised can, also, be distinctly seen to be connected with the greater or less size, and with the number, of the minute, flattened, crenulated air-cavities or fissures.
Borax is also manufactured from boronitrocalcite, a calcium salt of boric acid, which is found in Chili and other parts of South America. The crude boronitrocalcite or "tiza" is boiled with sodium carbonate solution, and, after settling, the borax is obtained by crystallisation. Borax itself is found in California and Nevada, U.S.A., and also in Peru, Ceylon, China, Persia, and Thibet.
A papal edict was proclaimed threatening death to any one who should utter a loud word while the operation of lifting and settling the obelisk was going on. As the "huge crystallisation of Egyptian sweat" rose on its basis there was a sudden stoppage, the hempen cables refused to do their work, and the hanging mass of stone threatened to fall and destroy itself.
Then it gave place to a globe of water alone, within which the processes of crystallisation, as exhibited first in its simpler then in its more complicated forms, were beautifully represented.
Yet we are not ourselves by any means devoid of 'straight lines' structurally produced, in spite of every obstacle of diversity of form and texture, of softness and hardness, of lamination or crystallisation, which are adverse to such developments.
Geikie has since shown that there is a strong probability that this Plutonic rock may be of Miocene age, because a similar Syenite having a true granitic character in its crystallisation has modified the Tertiary volcanic rocks of Ben More, in Mull, some of which have undergone considerable metamorphism.
She was perfectly conscious, meanwhile, that it was a reckless and a wilful thing that she was planning. She liked it none the less for that. In fact, the scheme was the final crystallisation of all that bitterness of mood that had poisoned and tormented her ever since her first coming to Bannisdale.
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