Narsarsukite

Narsarsukite is a rare silicate mineral with chemical formula Na₂(Ti,Fe)Si₄(O,F)₁₁ or Na₄(Ti,Fe)₄[Si₈O₂₀](O,OH,F)₄.

It was first described in 1900 for an occurrence in the Narsarsuk pegmatite in the Ilimaussaq intrusive complex of West Greenland. It has also been reported from a syenite which intruded limestone in the Sweetgrass Hills, Montana, and within hornfels and marble xenoliths in the alkalic intrusive of Mont Saint-Hilaire, Quebec. It occurs associated with aegirine, microcline, albite, elpidite, epididymite, taeniolite, pectolite, calcite, galena and quartz.

单词	narsarsukite
释义	narsarsukite /ˌnɑ:sə'sʌkait/ 英汉-汉英词典 n. 短柱石词组 \| 习惯用语您要查找的是不是： narcissistic adj. 自我陶醉的；孤芳自赏的 nearsighted adj. 近视的 narsarsukite n. [矿物] 短柱石英语百科 Narsarsukite Narsarsukite is a rare silicate mineral with chemical formula Na₂(Ti,Fe)Si₄(O,F)₁₁ or Na₄(Ti,Fe)₄[Si₈O₂₀](O,OH,F)₄. It was first described in 1900 for an occurrence in the Narsarsuk pegmatite in the Ilimaussaq intrusive complex of West Greenland. It has also been reported from a syenite which intruded limestone in the Sweetgrass Hills, Montana, and within hornfels and marble xenoliths in the alkalic intrusive of Mont Saint-Hilaire, Quebec. It occurs associated with aegirine, microcline, albite, elpidite, epididymite, taeniolite, pectolite, calcite, galena and quartz.
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narsarsukite /ˌnɑ:sə'sʌkait/

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Narsarsukite