Mineral Specimen Alashan ‘Bubble’ Agate From Inner Mongolia

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Alashan ‘bubble’ agate specimen from inner Mongolia with deep inner coiled banding, known locally as (Chán Sī), which means coiled … Read more Alashan ‘bubble’ agate specimen from inner Mongolia with deep inner coiled banding, known locally as (Chán Sī), which means coiled silk. A term for the concentric or "coiled" layers that create the structural depth you see in the black/gray and white section, a color variety known as Hēibái. See less