北海道黑矽石圓珠 12mm 1/4 或 1 串(約 15 英寸/36 公分)
其他寶石
尺寸:約 12毫米(+/-0.5毫米)孔徑:約 1毫米
顏色:黑色
這些是北海道黑矽石圓珠。
黑矽石即使在「室溫」下也能廣泛發射遠紅外線。
因此,它據說具有緩解寒冷和肩頸僵硬、促進排汗、活化循環等健康益處,並被溫泉旅館和岩盤浴所採用。
對不同尺寸的隨機珠子進行化學分析,證實其主要成分二氧化矽(SiO2)含量為76%,這是黑矽石的主要成分。
結果可在此「查看」。
[*圖片中的網格為1公分x1公分。]
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