The New Encyclopaedia Britannica: Macropaedia : Knowledge in depth |
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Page 162
... structure , chemical composition , physical proper- ties , and origin of minerals and their associations . It treats the principal rock - forming minerals ( among which the silicates are of the greatest importance ) and discusses the ...
... structure , chemical composition , physical proper- ties , and origin of minerals and their associations . It treats the principal rock - forming minerals ( among which the silicates are of the greatest importance ) and discusses the ...
Page 175
... structure . Owing to their similar crystal structure , the members of the gold group display similar physical properties . All are rather soft , ductile , malleable , and sectile ; gold , silver , and copper serve as excellent ...
... structure . Owing to their similar crystal structure , the members of the gold group display similar physical properties . All are rather soft , ductile , malleable , and sectile ; gold , silver , and copper serve as excellent ...
Page 177
... structures . Water and hydroxyl ions may enter the structure , as in atacamite [ Cu2Cl ( OH ) 3 ] . The halides consist of about 80 chemically related min- erals with diverse structures and widely varied origins . The most common are ...
... structures . Water and hydroxyl ions may enter the structure , as in atacamite [ Cu2Cl ( OH ) 3 ] . The halides consist of about 80 chemically related min- erals with diverse structures and widely varied origins . The most common are ...
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amphiboles ancient aragonite areas atoms basalt bivalves body calcite calcium called carbonate centimetres central centre century cephalopods chemical clay minerals colour common composition contain crust crystals ctenidia cult cultural deities deposits developed dolomite Earth economic eggs electron evaporite example existence facies feldspar Figure garnet gastropods goddess gods grains Hittite human igneous rocks important industrial kaolinite king known layers limestone magma magnetic major mantle cavity marine material mental metamorphic rocks metaphysics Mexican Mexico City mica Michelangelo microscope millimetres Milton mimicry mind Mineralogy modern Molière Mongolia Mongols Moscow myth nature object occur ocean olivine organic originally oxide percent period philosophers physical plagioclase political population pressure produced properties pyroxene quartz reaction region religion religious reprinted result river sandstones sedimentary rocks sediments shell silicate smectite snails society species structure Sumerian surface temperature temple tetrahedrons texture tion typically United volcanic