The New Encyclopædia BritannicaEncyclopædia Britannica, 1992 |
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Page 159
... calcite , aragonite , magnesium calcite , gypsum , and anhydrite . Hydrothermal dolomite occurs in veins asso- ciated with lead , zinc , or copper ores , as well as with fluorite and barite . Dolomites , Italian ALPI DOLOMITICHE ...
... calcite , aragonite , magnesium calcite , gypsum , and anhydrite . Hydrothermal dolomite occurs in veins asso- ciated with lead , zinc , or copper ores , as well as with fluorite and barite . Dolomites , Italian ALPI DOLOMITICHE ...
Page 193
... calcite , ice , mica , quartz , sugar , and tourma- line . If a pencil mark is covered with a piece of glass , only one image will be seen ; but if a calcite crystal oriented in a certain direction is substituted , two marks will be ...
... calcite , ice , mica , quartz , sugar , and tourma- line . If a pencil mark is covered with a piece of glass , only one image will be seen ; but if a calcite crystal oriented in a certain direction is substituted , two marks will be ...
Page 293
... ( calcite ) CaCO3 , SiO2 ( calcite + chalcedonic silica ) CaSO 2H2O ( gypsum ) NaCl ( usually impure ; rock salt ) plains and other features of low relief . In this sense , they are soils of an extreme type . Classification of duricrusts ...
... ( calcite ) CaCO3 , SiO2 ( calcite + chalcedonic silica ) CaSO 2H2O ( gypsum ) NaCl ( usually impure ; rock salt ) plains and other features of low relief . In this sense , they are soils of an extreme type . Classification of duricrusts ...
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14 written for Catherine the Great Observations | 14 |
Consult the INDEX first | 581 |
Didius Julianus marble bust in | 703 |
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