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4mmShaft Diameter: 2
Description: This one of a kind dinosaur bone cross section from Utah has a broad oval cut face with a preserved ring of porous bone texture around the edge and mineral-filled structure through the center
How Its Made: I was sitting on film set for a couple days
Chemical Composition: TiO₂
golden tones ranging from soft amber to rich caramel
Calcite on Siderite - Specimen earth minerals 4mmShaft Diameter: 2Mined from: Kaiwu Mine, Hezhang County, Bijie, Guizhou Province, China Description: This one of a kind Calcite on Siderite mineral specimen from China features a low, plate like formation covered in olive brown to golden brown Siderite crystals, with a strong bladed and stacked crystal habit across the display face. The piece has a natural pocket like shape, with glassy to lightly metallic looking brown crystals lining the surface and contrasting