Volcanic Glass with Gas Bubbles Presents a Glassy Luster Hand Specimen

供应商所在国家或地区: Papua New Guinea

材质类型: Others
主要颜色: Green
抛光纹理:
表面加工: Natural

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Volcanic glass,any glassy rocks formed from lava or magma that has a chemical composition close to that of Granites (Quartz plus alkali feldspar)

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