Titanoclinohumite tutorial Optical mineralogy

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Two videos of titanoclinohumite in thin section, showing typical textures and optical characteristics. Supported by Boise State University and the US National Science Foundation.
Key characteristics: high relief, intense yellow to red-orange pleochroism, low interference colors, anomalous purple interference, association with serpentine or olivine
00:00 My only sample
00:31 Different area of same rock with fold
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Spectacular. Is it from the western Alps?

frankr