A mineral resin occurring in white crystalline scales on fossil pine wood.
单词 | θ215494 |
释义 | society > occupation and work > materials > raw material > mineral material > mineral and fossil resins > [noun] > resin on fossil pine wood (2) fichtelite1844 A mineral resin occurring in white crystalline scales on fossil pine wood. branchite1851 A mineral resin found in fossil pine wood. |
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