Glaucophane-Schist, Kohtsu（Tokushima）at Kawatagawa: Field width = 8.8mm A caption is in the bottom.
The Image is XPL on mouse to PPL
徳島高越（下流の川田川で採取）の藍閃石片岩 横幅8.8mm．写真の下に説明．薄片写真：クロスポーラー（XPL)．マウスを乗せるとオープンポーラー（PPL)．
High-Pressure low-temperature type metamorphic rock, including
glaucophanes. Glaucophanes show pale blue under PPL. The colorful
minerals under XPL probabry epidotes. Some quartz are also included.
低温高圧型の藍閃石が含まれる．
藍閃石PPLで淡青色，XPLで派手な色はおそらく緑簾石，その他に石英も．
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