Shibayama Basalt: Field width = 8.8mm A caption is in the bottom. The Image is XPL on mouse to PPL
芝山（大和川右岸．大阪府）の玄武岩　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)．


Rims are changed green under PPL and colorful colors in the center of phenocrysts are olivine. Yellow to purple interference color minerals are clino-pyroxenes.
PPLで緑に縁取られて，XPLで真ん中が派手な色はかんらん石．黄色・紫色は単斜輝石

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