Sand Grain Sizing Folder Pocket Size

ProspectorsSKU: 77332


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The Geological Sand Gauge is a standard comparator chart for accurate and consistent sample description in the Lab, office of field.

Precisely sieved quartz grains are permanently mounted in a convenient, pocket-sized booklet. Six grain sizes (rounded, sub-rounded, sub-angular and angular), give the geologist a direct visual comparison for textural descriptions.

Charts also include classification boundaries for larger materials (granules through boulders) as well as hand "inch" and millimetre" scales along the chart edges.

  • Pocket size
  • Standardizes Grain

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