Elementary Geology With Special Reference to Canada
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In our eReader you can find the full English version of the book. Read Elementary Geology With Special Reference to Canada 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 Elementary Geology With Special Reference to Canada
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" APATITE. A compound of lime, phosphoric acid, and fluorine. Crystals hexagonal, often with well-developed six- sided prisms; lustre vitreous to resinous; colour usually greenish, sometimes reddish or otherwise tinted; streak colourless; hardness 5; specific gravity about 3; brittle.
This mineral is important as a source of phosphorus and phosphoric acid; it occurs in eastern Ontario and in Quebec north of the Ottawa river.
AGATE. Water containing silica in solution sometimes deposits that sub...stance on the walls of cavities in certain of the igneous rocks. Eventually the cavity is wholly or par- tially filled with silica, arranged in a concentric manner and presenting delicate and varying shades of colour. Silica in this form is known as agate.
JASPER. This mineral is also a form of silica to which a bright red colour is given by the presence of oxide of iron.
CHROMITE. Also known as chromic iron ore. A compound of iron, chromium, and oxygen. Crystals cubic system; lustre sub-metallic; colour iron-black or brownish black; streak brown; hardness 5-5; specific gravity about 4-4; brittle.
What to read after Elementary Geology With Special Reference to Canada?
You can find similar books in the "Read Also" column, or choose other free books by A P Arthur Philemon Coleman to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
" APATITE. A compound of lime, phosphoric acid, and fluorine. Crystals hexagonal, often with well-developed six- sided prisms; lustre vitreous to resinous; colour usually greenish, sometimes reddish or otherwise tinted; streak colourless; hardness 5; specific gravity about 3; brittle.
This mineral is important as a source of phosphorus and phosphoric acid; it occurs in eastern Ontario and in Quebec north of the Ottawa river.
AGATE. Water containing silica in solution sometimes deposits that sub...stance on the walls of cavities in certain of the igneous rocks. Eventually the cavity is wholly or par- tially filled with silica, arranged in a concentric manner and presenting delicate and varying shades of colour. Silica in this form is known as agate.
JASPER. This mineral is also a form of silica to which a bright red colour is given by the presence of oxide of iron.
CHROMITE. Also known as chromic iron ore. A compound of iron, chromium, and oxygen. Crystals cubic system; lustre sub-metallic; colour iron-black or brownish black; streak brown; hardness 5-5; specific gravity about 4-4; brittle.
What to read after Elementary Geology With Special Reference to Canada?
You can find similar books in the "Read Also" column, or choose other free books by A P Arthur Philemon Coleman to read onlineMoreLess
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