北海道黑矽石圓珠 14mm 1/4 或 1 串 (約 15 英吋/37 公分)
其他石材
尺寸：約 14 毫米（+/-0.5 毫米）
孔徑：約 1 毫米
顏色：黑色
這些是來自日本北海道的圓形黑矽石珠。 眾所周知，黑矽石即使在室溫下也能廣泛發射遠紅外線。 因此，據說它具有有益健康的功效，例如緩解寒冷和肩部僵硬、促進排汗和活化循環。它也用於溫泉旅館和岩盤浴。 我們對不同尺寸的任意珠子進行了化學分析，證實了黑矽石的主要成分二氧化矽 (SiO2) 含量為 76%。 分析結果可在此處查看。 為方便購買，從 1/4 串起售。
[*圖片中使用的網格為 1 厘米 x 1 厘米。]
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