guide to thin section microscopy - Mineralogical Society of America
guide to thin section microscopy - Mineralogical Society of America
guide to thin section microscopy - Mineralogical Society of America
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Guide <strong>to</strong> Thin Section Microscopy<br />
Colour and pleochroism<br />
Raith, Raase & Reinhardt – February 2012<br />
Figure 4-17. Determination <strong>of</strong> the colours in the principal vibration directions Z, Y and X <strong>of</strong><br />
an optically biaxial mineral, using glaucophane, Na 2 (Mg,Fe 2+ ) 3 (Al,Fe 3+ ) 2 [Si 8 O 22 ](OH) 2 , as an<br />
example.<br />
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