It thus becomes comparatively harmless, by converting a quantity of that oxide, which gives a green colour, into the other oxide, which has little or no power of colouring, except it be present in large quantities.
Copper and cobalt both stain glass, the former of a bluish-green colour, while the latter makes it blue; and a small quantity of the latter has great staining power.
There are two oxides of iron: one, the protoxide, which imparts a green colour to glass; and the other the peroxide, whose staining property is yellow.
The Romans made rich goblets of ruby glass, some of which are to be seen in collections in this country, as well as urns to receive the ashes of their dead, four of which, of a green colour, are also in the British Museum.
The eggs are larger than those of the linnet, and of a green colour, with red spots spread most thickly over the broad end.
One of the commonest stratified porphyries is of a green colour, highly amygdaloidal with the various minerals described in the preliminary discussion, and including fine tabular crystals of albite.
In many parts of the mountains, there are dikes of a green colour, and other white ones, which latter probably spring from underlying masses of andesite.
The lower face of the valve is nacrous, but shaded with purplish violet, copreous, and iridescent; the anterior face is of a green colour, which varies from tender to blackish green.
The under side is covered with hairs, the upper surface being smooth, shining, and of a pleasing bronze-green colour.
The scaly involucre is formed of numerous small members of a dark olive-green colour, neatly arranged and firmly clasping the whole flower.
Copper is soluble in all the acids, to which it communicates a green colour, and sometimes a blue.
This solution is of a beautiful green colour; and from this union of the vitriolic acid with Iron there results a neutral metalline salt, which has the property of shooting into crystals of a rhomboidal figure, and a green colour.
This solution hath a green colour, and is in fact a fluid Green Vitriol, which wants nothing but rest to make it shoot into crystals.
Add a few drops of starch solution, and continue the addition of the "hypo" until the muddy-green colour changes to a clear brownish-yellow.
Scorify until the button shows the bluish-green colour of a fused gold-copper alloy.
The reduction is marked by the development of a violet or green colour, the former with chlorides and the latter when fluorides are present.
The growth should not be hurried at any stage, and if the foliage has a dark, healthy, green colour, free from blight, there will be magnificent flowers four or five inches across.
The sticks of a handsome sample will be white four or five inches of their length; the tops close, plump, of a purplish-green colour, and the colour extending two or at most three inches down the stems.
A beautiful mineral or gem, of moderate price, usually of a green colour of various shades, passing into honey-yellow and sky blue.
Next comes a patch of the handsome Bambusa Ragamowski, dwarf, but with strikingly-broad leaves of a bright yellow-green colour.
It proved to be a physiological phenomenon, such as others we have described, and the apparent coruscation was nothing but the spectrum of the flower in the compensatory blue-green colour.
The same occurs with the sympathetic ink, which may be considered a reddish liquid, but which, when dried by warmth, appears as a green colour on paper.
We have seen above that the germ pushing from the earth is generally white and yellowish, but that by means of the action of light and air it acquires a green colour.
On the slightest pressure the centre itself appears of a green colour.
Chlorine is a gas possessing a yellowish-green colour, and a pungent, suffocating odour.
The latter will acquire a green colourif copper be present.
Her eggs number from four to six, of a pale olive-green colour, irregularly streaked with dusky grey and spotted with black.
The eggs of this bird are four or five in number, of a very pale blue-green colour, spotted about the larger end with orange-red.
On an average four or five eggs are laid, of a grey-green colour, blotched and spotted with a smoky brown.
Thus, the caterpillars of Chærocampa Elpenor all remain green till the fourth stage, when they mostly become light or dark brown, and only very seldom retain their green colour.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "green colour" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.