Shungite

Various rock samples containing or consisting of shungite, a rare material named for the village of Shunga in northern Lake Onega. It is amorphous, not crystalline and consists of carbon which has not converted to graphite, despite being 2 billion years old. Pyramid sample is cut into shape for decorative purposes. Preview dataset found at https://doi.org/10.23729/09e62d3f-f96f-439d-ae09-5762d3911dbd . To obtain data, please contact [e-mail] .

本数据集包含多种以斯休特岩（shungite）为成分或主体的岩石样本。斯休特岩是一种稀有材料，其命名源自奥涅加湖北部的尚加村（Shunga）。该物质呈无定形态而非晶态，尽管已有20亿年的形成历史，其所含碳元素并未转化为石墨。其中的金字塔形样本被切割为装饰用途的造型。数据集预览版本可通过DOI：https://doi.org/10.23729/09e62d3f-f96f-439d-ae09-5762d3911dbd访问。如需获取完整数据集，请联系邮箱[e-mail]。