Gems And Gem Minerals
Gems And Gem Minerals
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In our eReader you can find the full English version of the book. Read Gems And Gem Minerals Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Gems And Gem Minerals
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The garnets from New Mexico, for instance, when broken open are sometimes found to contain a small grain of quartz. In the crystals from East Woodstock, Maine, only the outside shell is garnet, and the interior is calcite. Other crystals are made up of layers of garnet and some other mineral.
Garnet has a strong tendency to crystallize, and hence is usually found as crystals. The grains of garnet found in the sands of river beds and on beaches, though not often showing crystal form, may be real...ly fragments of crystals. Garnet is one of the most common constituents of such sands because of its hardness and power of resisting decay. These properties enable it to endure after the other ingredients of the rocks of which it formed a part have been worn away. It is quite heavy as com- pared with the quartz, of which the sand is mostly composed, and hence continually accumulates on a beach, while the quartz is in part blown away. In such localities it will always be found near the water line, because the waves, on account of its weight, can carry it but a slight distance inland.
What to read after Gems And Gem Minerals?
You can find similar books in the "Read Also" column, or choose other free books by Oliver C Oliver Cummings Farrington to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The garnets from New Mexico, for instance, when broken open are sometimes found to contain a small grain of quartz. In the crystals from East Woodstock, Maine, only the outside shell is garnet, and the interior is calcite. Other crystals are made up of layers of garnet and some other mineral.
Garnet has a strong tendency to crystallize, and hence is usually found as crystals. The grains of garnet found in the sands of river beds and on beaches, though not often showing crystal form, may be real...ly fragments of crystals. Garnet is one of the most common constituents of such sands because of its hardness and power of resisting decay. These properties enable it to endure after the other ingredients of the rocks of which it formed a part have been worn away. It is quite heavy as com- pared with the quartz, of which the sand is mostly composed, and hence continually accumulates on a beach, while the quartz is in part blown away. In such localities it will always be found near the water line, because the waves, on account of its weight, can carry it but a slight distance inland.
What to read after Gems And Gem Minerals?
You can find similar books in the "Read Also" column, or choose other free books by Oliver C Oliver Cummings Farrington to read onlineMoreLess
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