五角十二面体
wǔ jiǎo shí èr miàn tǐ
- pentagonal dodecahedron;pyritohedron;regular dodecahedron
五角十二面体
五角十二面体[wǔ jiǎo shí èr miàn tǐ]
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结果表明以五角十二面体晶形为特征的半自形细粒状黄铁矿含金性较高；
The results show that the fine-grained hypidiomorphic pyrite , with a crystal form of pentagonal dodecahedron , contains more Au than others .
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直接找矿标志为含五角十二面体黄铁矿铁方解石钾长石脉。
The ore-hunting indicator is of calcite-potassium feldspar veins containing pyritohedron pyrite .
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黄铁矿是主要载金矿物，呈细脉状、侵染状、条带状分布，以立方体、五角十二面体为主。
Pyrite is the main Au carrier mine , distributed in the form of small vein , infection and ribbon-like , and is mainly cube , pentagon-based dodecahedron .
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有十二个正五角形面的十二面体。
A dodecahedron with twelve regular pentagons as faces .