brown hematite
From: The Columbia Encyclopedia, Sixth Edition
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Date: 2008
brown hematite see limonite .
Author not available, BROWN HEMATITE.,
The Columbia Encyclopedia, Sixth Edition 2008
The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press
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... not come from single great mines which are easily named and pinpointed on maps, but from dozens (if not hundreds) of isolated clefts which Strahlers have ... of rutile that are often seen in epitactic overgrowth on the wide, flat hematite crystal faces; in some cases the rutile crystals almost wholly cover the ...
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... picropharmacolite, brown-red hematite lamellae and colorless ... dolomite and hematite, and rarely also ... Excellent dark brown to red-brown ... however, are red-brown to black hematite or "limonite" spherules and yellow-brown, acicular crystals ...
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FAMOUS MINERAL LOCALITIES: THE FRANCON QUARRY, Montréal, Québec
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... naturelles, Qubec, Geological Report 46, 157 p. maps. CLARK, T. H. (1955) St. Jean-Beloeil area ... Department of Mines, Geological Report 66, 83 p. maps. CLARK, T. H. (1972) Rgion de Montreal ... du Qubec, Geological Report 152, 244 p. maps (in English and French). CLARK, T. H ...
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... habits and were beautifully perched on the dark brown matrix. I was astonished by their complex shapes ... in 1983; G. Kobler and I came equipped with maps, compass, altimeter and assorted ironware packed ... between the pebbles, I saw a reflection on a brown piece of stone. It was covered with sticky ...
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... significant quantity of specimens onto the market (Brown, 1936). According to long-time dealer (now ... geological study. Only a few detailed geologic maps are available, and only a small number of ... chalcopyrite, sphalerite (2) Oxides, hydroxides: hematite, goethite (3) Halides: fluorite (4) ...
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World review of mineral discoveries: 1993-1994.
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... more detail in Mineral News (11, no. 1, p. 1-2 ... consists of brilliant brown crystals to 2 mm replacing ... form yellow to golden brown, waxy, bladed masses ... some excellent, dark brown-to-black jarosite crystals ... apparent due to the orange-brown iron oxide that coats ... with occasional ...
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