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礦物之美-(PARACELSIAN)
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PARACELSIAN BaAl2Si2O8 (monoclinic)
. translucent primatic crystals on matrix . Benalt Mine, Rhiw, Carnarvonshire,
Gwynedd, Wales . 本礦晶體呈柱狀,無色透明玻璃光澤,硬度6,外觀似黃玉,雙晶常見. 形成於頁岩或沙岩中.為罕見之礦. |
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