It is very common to find tourmalines in the rocks broken into a number of pieces and the fragments “mended” together with quartz or calcite.
The Brazilian Tourmalines are chiefly green in color.
Tourmalines occur, generally green in color, and many of them of gem quality.
At two other localities in the same State large transparent Tourmalines of varying colors have been found.
The gem Tourmalines are to be found in only a few localities.
It is estimated that fifty thousand dollars’ worth of Tourmalines have been taken from this one locality.
The Ceylon Tourmalines occur in the gem gravels of that locality accompanying rubies, sapphires, etc.
The Ceylon tourmalines are mostly yellow or yellowish green, sometimes fine olive-green.
The various tourmalines very closely resemble each other in their properties, the slight differences corresponding to differences in composition do not alter the general nature of the material.
Tourmalines, when green, are usually darker than emeralds and of a more pronounced yellow green, or they may be of too bluish a green, as is the case with some of the finest of the green tourmalines from Maine.
Thus most tourmalines of deep color must be cut with the top or table, of the finished stone, on the side of the prismatic crystal rather than at right angles to the axis of the prism.
Where the color is less fine, however, one might well refuse to decide by the color, even when sure that the material is not glass, for some fine tourmalines approach some of the poorer emeralds in richness of color.
The quality of some of thetourmalines of Maine, and of California especially, is not excelled by tourmaline from any other locality.
Some tourmalines from Brazil are of a lighter shade of blue and are sometimes called "Brazilian sapphires.
On the other hand, most blue sapphires should be cut across the prism axis rather than the way that tourmalines should be cut.
Many of the yellowish tourmalines have a decidedly greenish cast (greenish-yellow chrysoberyl might resemble these also).
Mr. Hamlin became interested in gems because of his accidental discovery of some of the fine tourmalines of Maine.
If I turn round one of these tourmalines the light is extinguished, it is absolutely black, as though the tourmalines were opaque.
I cared for nothing but that sweet yet terrible depth and stillness I had seen beyond the tourmalines of her eyes.
She had grown faintly pink, and again the tourmalines had given, as it were, a half turn.
And what kind of impossible situation was going to be created if, even avoiding other intercourse, I had to encounter those tourmalines of her eyes every time I passed through the busy office to Pepper's room?
For a moment those tourmalines of her eyes seemed to flicker, as if she would have shown me again the abysses beyond them; but they remained shut as she spoke more slowly still.
The look she gave me was almost hostile, and the tourmalines were shut.
The nearest approach to the emerald in color, with the exception of the incomparable green tourmalines from Maine, are the beryls of North and South Royalston in the State of Massachusetts.
Some of the green tourmalines approach the emeralds in hue very closely, and by artificial light it is impossible to distinguish them from each other.
The color of tourmalines varies with their composition.
Tourmalines are not often used in jewelry, although they form beautiful gems and bear a high price.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "tourmalines" in a variety of sentences. We hope that you will now be able to make sentences using this word.
