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礦物之美-(鈉長石與白雲母-Albite
and Muscovite)
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ALBITE NaAlSi3O8 (triclinic) . Crystals prismatic,uasually bladed,lamellar variety is call cleavelandite . 鈉長石多作板狀或柱狀,無色或乳白色,玻璃到珍珠光澤,硬度6,其中的 日長石-sunstone與 拉長石-labradorite 切面常呈美麗變彩∼schiller,可切割琢磨成寶石. |
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