Practical Manual of Minerals Mines And Mining Comprising Suggestions As to Th
Practical Manual of Minerals Mines And Mining Comprising Suggestions As to Th
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In our eReader you can find the full English version of the book. Read Practical Manual of Minerals Mines And Mining Comprising Suggestions As to Th 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 Practical Manual of Minerals Mines And Mining Comprising Suggestions As to Th
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Assumes a violet color on cooling. Where any iron is present the color appears only upon charcoal when treated with metal- lic tin. If made soluble, by fusion with an alkali or alkaline carbonate, in excess of muriatic or nitric acid, with the addition of tin-foil, it gives a beautiful violet color when concentrated, just as in the case of the mineral rutile, which has the same composition. See Titanium.
Mr. C. Leventhorpe mentions the finding at his placer mine, in Rutherford County, North Car...olina, of a diamond of bad color, which was placed in the Amherst College col- lection.
THE DIAMOND. 249 One was found in a South Carolina placer by Mr. T witty, and one, owned by the latter gentleman, from White County, Georgia. Also in Georgia at the Horshow placer gold mine, Racooche Valley, White County, Georgia, several have been found here.
Also in California from Forrest Hill, El Dorado County, found at a great depth in the auriferous gravel. Another at French Carrol, Nevada County. Four have been found at Fiddletown, Amador t County, in the gray cemented gravel underlying a stratum of so-called lava, or compact ashes.
What to read after Practical Manual of Minerals Mines And Mining Comprising Suggestions As to Th?
You can find similar books in the "Read Also" column, or choose other free books by Henry Stafford Osborn to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Assumes a violet color on cooling. Where any iron is present the color appears only upon charcoal when treated with metal- lic tin. If made soluble, by fusion with an alkali or alkaline carbonate, in excess of muriatic or nitric acid, with the addition of tin-foil, it gives a beautiful violet color when concentrated, just as in the case of the mineral rutile, which has the same composition. See Titanium.
Mr. C. Leventhorpe mentions the finding at his placer mine, in Rutherford County, North Car...olina, of a diamond of bad color, which was placed in the Amherst College col- lection.
THE DIAMOND. 249 One was found in a South Carolina placer by Mr. T witty, and one, owned by the latter gentleman, from White County, Georgia. Also in Georgia at the Horshow placer gold mine, Racooche Valley, White County, Georgia, several have been found here.
Also in California from Forrest Hill, El Dorado County, found at a great depth in the auriferous gravel. Another at French Carrol, Nevada County. Four have been found at Fiddletown, Amador t County, in the gray cemented gravel underlying a stratum of so-called lava, or compact ashes.
What to read after Practical Manual of Minerals Mines And Mining Comprising Suggestions As to Th?
You can find similar books in the "Read Also" column, or choose other free books by Henry Stafford Osborn to read onlineMoreLess
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