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Page 194
... pyroxenes exist with calcium contents greater than that of the diopside - hedenbergite join , the part of this system below this join is known as the pyroxene quadrilateral . Ferrous iron and magnesium sub- stitute freely since they ...
... pyroxenes exist with calcium contents greater than that of the diopside - hedenbergite join , the part of this system below this join is known as the pyroxene quadrilateral . Ferrous iron and magnesium sub- stitute freely since they ...
Page 195
SiO , chains The pyroxene quadrilat- eral Figure 53 : Photomicrographs of various pyroxene minerals in thin. SiO , chains thorhombic pyroxenes are referred to as orthopyroxenes , and monoclinic pyroxenes are called clinopyroxenes . The ...
SiO , chains The pyroxene quadrilat- eral Figure 53 : Photomicrographs of various pyroxene minerals in thin. SiO , chains thorhombic pyroxenes are referred to as orthopyroxenes , and monoclinic pyroxenes are called clinopyroxenes . The ...
Page 196
... pyroxene structure perpendicular to the c axis . ( B ) Control of cleavage angles by the I beams in the pyroxene structure compared with naturally occurring pyroxene cleavage . From C. Klein and CS Hurlbut , Jr. Manual of Mineralogy ...
... pyroxene structure perpendicular to the c axis . ( B ) Control of cleavage angles by the I beams in the pyroxene structure compared with naturally occurring pyroxene cleavage . From C. Klein and CS Hurlbut , Jr. Manual of Mineralogy ...
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