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Fully searchable and cross-referenced information about Amphibole from The Probert Encyclopaedia. ... It is a variety of amphibole or of pyroxene, occurring in long and delicate fibres, or in fibrous masses or seams, usually of a white, grey, or green-grey colour. The name is also given to a similar variety of serpentine.
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www.probertencyclopaedia.com/cgi-bin/res.pl?keyword=Amp...
www.probertencyclopaedia.com/cgi-bin/res.pl?keyword=Amphibole&offset=0
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Tremolite: A white or pale green mineral of the amphibole group composed of calcium magnesium silicate and used as a form of asbestos. The compact variety ...
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en.mimi.hu/jewelry/amphibole.html
en.mimi.hu/jewelry/amphibole.html
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green variety (Fig. 2c) showing dark green to dark brown pleochroism. A BSE image (Fig. 2d) of this amphibole lacks zoning but carries inclusions of apatite ...
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www.springerlink.com/index/GG61281573L25202.pdf
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Pseudomorphs of amphibole after pyroxene are known as uralite. ... An aluminous variety is known as gedrite, and a deep green Russian variety containing little iron as kupfferite. Actinolite is an important member of the monoclinic series, forming radiating groups of acicular crystals of a bright green or greyish-green color.
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www.redorbit.com/education/reference_library/minerals/2...
www.redorbit.com/education/reference_library/minerals/28/index.html
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varieties of amphibole have been recognized: green hornblende, blue-green hornblende and cummingtonite. These will be described in their ...
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canmin.geoscienceworld.org/cgi/reprint/16/4/527.pdf
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Amphibole defines an important group of generally dark-colored, rock-forming silicate minerals. Some are constituents of igneous rocks, and others are part of metamorphic rocks. Hornblende is the most ... An aluminous variety, known as gedrite, and a deep green Russian variety containing little iron as kupfferite.
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www.newworldencyclopedia.org/entry/Amphibole
www.newworldencyclopedia.org/entry/Amphibole
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1473-1543; Polish ... developed a simple heliocentric model of the solar system that explained planetary retrograde motion and overturned Greek astronomy ... observed a supernova now known as ``Tycho's supernova''; made the most precise observations of stellar and planetary positions then known...
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cnr2.kent.edu/~manley/astronomers.html
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Amphibole minerals generally contain iron, magnesium, calcium and aluminum in varying amounts, along with water. Hornblende always has aluminum and is a most common dark green to black variety of amphibole; it, forms forming in many igneous and metamorphic rocks.
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www.metaglossary.com/meanings/280303/
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Amphibole is an important group of rock-forming minerals, very similar in chemical composition and general characters to the pyroxenes, and like them falling into three series according to the system ... An aluminous variety is known as gedrite, and a deep green, Russian variety containing little iron as kupfferite.
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www.knowledgerush.com/kr/encyclopedia/Amphibole/
www.knowledgerush.com/kr/encyclopedia/Amphibole/
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