This dataset is part of a series showing the surface of an agate stone at each stage of polishing. This is the stone’s surface after the initial saw cut to prepare the sample for tumbling. The low area is an inclusion of a softer material in the stone. Measured with a Zygo ZeGage Plus, 10x … Read more
This dataset is part of a series showing the surface of an agate stone at each stage of polishing. This is the stone’s surface after the first tumbling pass with 60-grit silicon carbide. The low area is an inclusion of a softer material in the stone. Measured with a Zygo ZeGage Plus, 10x objective, desampled. … Read more
This dataset is part of a series showing the surface of an agate stone at each stage of polishing. This is the stone’s surface after a second tumbling pass with 60-grit silicon carbide. The low area is an inclusion of a softer material in the stone. Measured with a Zygo ZeGage Plus, 10x objective, desampled. … Read more
This dataset is part of a series showing the surface of an agate stone at each stage of polishing. This is the stone’s surface after tumbling with 125-grit silicon carbide. The low area is an inclusion of a softer material in the stone. Measured with a Zygo ZeGage Plus, 10x objective, desampled. Data source: Bob … Read more
This dataset is part of a series showing the surface of an agate stone at each stage of polishing. This is the stone’s surface after tumbling with 500 grit aluminum oxide plus plastic pellets. The low area is an inclusion of a softer material in the stone. Measured with a Zygo ZeGage Plus, 10x objective, … Read more
This dataset is part of a series showing the surface of an agate stone at each stage of polishing. This is the stone’s surface after final polishing at 1500 grit. The low area is an inclusion of a softer material in the stone. Measured with a Zygo ZeGage Plus, 10x objective, desampled. Data source: Bob … Read more