rockPTX’s Videos
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magnesio-foitite in thin section FKM-466 XP
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magnesio-foitite in thin section FKM-466 PPL
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magnesio-foitite in thin section FKM-466 PPL polarizer rotation
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magnesio-foitite in thin section FKM-466 off-center optic axis figure
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corundum in thin section FKM-466 XP
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corundum in thin section FKM-466 PPL
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corundum in thin section FKM-466 PPL polarizer rotation
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corundum in thin section FKM-466 off-center optic axis figure
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biotite in thin section FKM-466 XP
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biotite in thin section FKM-466 PPL
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biotite in thin section FKM-466 PPL polarizer rotation
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biotite in thin section FKM-466 off-center optic axis figure
